Volume 12 (1866) (428 pages)

306 The Mining anil Srientifie-Lress. Comaniudieations. nee THIS Hoe we Invite the rer Discussion of Au alone belng r nce. Rte ahs and theorles they adva: (Wrluen for the ‘Mining aud Scientlfiic Press.) Letter from Professor Brewer, mecho ot, eetures) to AS Seed aorahes P rover sncli a : a ae i Epir me —iiat 2 may) ade i aN t rae irs. iN te din thee ete A des hool eGolldse i? tuted a course of lectures for the especial benefit of tha mechanics of this city. The largest lecture-room_in.the jnstitution_accommodates but, two hundred persons, and so but tbat number. , of tickets were issued at the merely n nominal’ price of one dollar for @ighteen lectures. There were ‘applications. . for more than twice that’ nomber-vf tickets immediately, but,;of course; tbe‘accomimodations forbida a laraer igen? . é eetures Geta by tha Profes! ears in thé ‘seboul,,o0.-t to “eve pings. of, ea ch waek,: tonimenging yin ic Jangaty/aod cloaing. By week ‘alro.(i'Dhé! attendance’ was: almoat! enti a ithe “¢ “Glass for. Whoni the cblirse’ was’ egpecipliy designed, and . ithe. interest, Wag, Un. abated se cloge,'5i1, Y funanl alas ott st 2 “Bach evenitg: brought an, intelligent, earnest: atid most, & attentive audience. “As*an expéri-. ment, ‘the ‘course was: an ‘entra , success. “The, lectures. were upon varipns, subjects). rather. than continuous ‘coursaounone' science. bis up. . Chemistry. cane in, for tha largest share; three Prolessor a aking. § ‘ araté Dianebas one con: sidering the ee chemical, affinity i ip two ; leétures; another devoted four ‘lectures to tthe ebemistry ofthe ait: water, carbon ard’ fuel ; i and Latlother ‘tivo, 3 getilies) On, the’ ‘emelting of iron. ‘and, steely, In ali-eighteen Professors took part andthe following’ aubjects received ‘cach a Tectura’s 2 Relation of Science 'to' the present . etate. Of ‘ihe, Arts; “Architecture; ‘Mechanical’ Drawing ;: Poy Timber 5 Californias The History cof Writing ; Perpetual 3 ‘Motion } 4 Fungi petnicions to Vegetation, \d' Gripe Cutts in’ ‘Garden§.” ‘All eal the ‘chutes, except, three, . as, wil be “seen f from, . thelist, were upon ‘eome science of ‘especial i ivterest inthe ‘abtay' ot inpractieal! life! They were @ properly, i ‘xpeti “speci-, mens, diagrama ‘and drawings, the , ingtitution . being very rich jinsthe nienns for such illustra tions! : Of the! pia value ot of stich, Teetures’ t te tht ob use Ig nee tinne’ them in; futile winters. »i Probably, fom i ine future, the ‘Course: of ‘any one: winter! will not, be Scattered” ‘Over, a6, wide a tay ts, ill on, sone. 9n¢, or, el aubjects, b but, ba, moi of the sciences e bute circumstances and. axpe ence will, of coutsey-deteraidg : the plon to" he pursued vba WA Doetet ct Maden vil Poth diep: interest taken‘ie the ‘shbfect! the past wilitér by those for'whose'espécial bénefit' the lectures were iustitutedythe many’ prietial . questions they proposed from time-tutime, and: thewanilornily: good attendance, “indicate the., ptacticul’vilueof. such means’ of ‘instruction’ to! aduits:1 4 havetno ‘doubt «but’ that: ‘Sitar’ cdurses, or, atleast; courses with siniilar : aims, ! eéuld belinstituled: in Sdn“Francisco, if.a lew! moving? epirits: would twork Jin ‘the’ inatter. Many oft your practical mechanics could them}! selves: enlighten an audience dn ‘the: science ahd . techniculities' of their own craft, Infornatien! coaldthis be! dieseminated, more exact kiow!-{. . ede he brought: to bear in: the'various brandhes, and thes: publio’ ‘would be ! generally benefited: © vfherevis' quite 7 furoresnotw! forvmining . sdhools, so cufled,'in'-tha ‘collages and-‘nl#her‘ achools:Kast,." E cabnot: entiitierate the institu! tiohs. that pretend to’give more or-lasa'instrad!: tion in matters . valating to miiling’’and ‘metallurgy ;enot only in the professedly' © mini bao but in the sciettifie departments of col: leges;technical sehools,ete. Fnotice’even in one agricultural school, that of. Pennsylvania, Diore . atudents close theses on mining thau on apticultural subjects, jodgiag from theirpnblished reports. How ‘maiy of these! beginnings will develop! into’ dulliedzed «+ Mining ‘ Depart. nrents,”time can only determinay.:! 6 cies 1 (be Springs late ;.or Limight say that # wins ter” lingers in the North yet. We had snow. here yesterday, while.io.th. interior of New York, and .in. the, northwest, much. snow: still remains, and streams that usually opeo earlier fon Insects, Injurious to. . +! ‘and other causes similnr 'to thosa tbat have “loperated so disastrously: elsewhere, they al (Written for the-Mining and Scientifig’ ‘Press ] < From El Dorado Oounty. ‘ i 2 m 1 2 . BY, OUR TRAVELING CORRESPONDENT, a lie: _ \ ae S Sy “§ [entinnea from Page 303.7 ie AND SL DoRaDO G. N. eo some 600 acres of timbered land, and a aries f eeyen parallel lodes, one mile to the ‘tha'Church Union and on the snme Several of them have bee opened by oe of ach othe the aggregate length of the forines being Aboat 4 400 Ba the mien depth of the Jatter about forty fe feet, and exhibit thel, usunol dirgetion from eouth to north, together with the eastern dip. Three or four of their Tedges, beh ed to he the best, aid one “oF ‘wbieb ist écontinuntion ¢ of tba McNulty that. . } paid some $40 per ton, lie along a lofty wountain ridge, ‘and! aré'to be cut at a depth of some 500 feet-by.a tunnel already. commenced, .and to be extended fully 800, feety, Near the mouth of this tunnel a.10-stamp, will has been erected, together with an engine.of 75-horse power, put up.in tha best possible style by Capt: J. D. Woodwortb of the Mitchell mine. , Gonsldering the number of lodes to bel, opened, the nychinery necessary, and the jm, mense, amount-of labor to be performed before an enterprise so vast, and such as the original . projectors must have, had in coutemplation, cen be. brought to a siiecessful issue, iti very apparent that the’ supérictendént has labored . under great disadvantages, however enterprising or economical he may bave been, for want of: the means for the proper prosecution: of the wok. It is thought here that $7,000, in, con nection with the advantaces derived from cash paynients, would be barely so ficient,’ “however judiciously handled, to put. the mine into good shape, and on a paying~basis, large undertakings requiring proportionally large. -outlays> In fact, the mill cad do, ee until mltele mine is properly opened. . ! . . t ve THE LEONARD G. 28 COMPANY, .Crossing the nortil fork of tha Cosumnes at ‘Nushville, whera it hos a course nearly due mortb and south ata point thrae miles south of itbe New York and El"Dorado, and two miles hove the Forks ie find one of tbe largest blows or chimveys) to be found anywhare in the county, or along ;the, westeril slope of the Sierra, This claim was! ‘located as early as 1850, anti at one timo aupplied as many as five’ ‘mills with rock. In conséquence of litigation: ‘have long since snspended. * Iiunderstond tbat all conflicting titles having beet now purchased ‘by Mr. HE. W. Leonard of! San! ‘Francisco, the company have been te-( -Org ganized under the above title, and intend: erecting a 20-stainp. ‘mill ‘to be propelled by water power, the, tiver chavs ing here a fall of pot less than ‘sixty ‘feet. In this connection; we might also state that “the company owl a very large river elaun of 3,000 anill dain whieh “fipa aver: “been worked, land deemed very valuable/as: the. river “above and ‘below was exceedifgly rich. ‘be quartz mine was at first opene ‘the deptb of sy and covering an arda of ‘over one hundred feet square. A tunpel‘was} ‘then driven in to the! lode, and thenea through lit to the east aud “hanging wall wall, which ia said ‘to be of granite. From a poiut om this tunnel:. : near the west wall, which is, on the contrary, a ‘black slate, a shalt was sunk, following the Joie fo'tlie depth of100 feet, dr to about eiglity feet bélow tho chanel’ ‘of the river. Frotn'this level for’ 4 distatice of300 feet north, the vein hay’ been stopéd out npwards'to‘within a” few feet of thé surface. Since the re’ organization of the’ company, a ‘uew tunnel ‘has been run in front the west and ‘at ‘the southern extremity of’ the claim, the distanca of some, 200 . ifdet, which, atea, point; 145 feet from, the mouth, struck or: rather, passed through a most beau-. tifal gouge” of black vein matter upwards-of filty feet in thickness; ‘composed principally of . quartz somewhat decayed and fissile with a considerable intermixture of black clayey skale, than ‘this are still i¢e-bound. UW Yours truly, * ~ Wit. FH. Bae New Haven, Ct., April 10, 1866. , .contaiting ‘a’ good’ proportion of the small irregular dark-colnred fron sulphuret, to whose ‘feet—eround previously covered by the . old }" by a cut on the chimney to}, ecoitiposition taken in “connection -witb ‘thati Jot ‘the ‘black: slate, sid Bor tion. of “the lode may Lo some extent t ledst, be ‘indebted for ita peculiar eooty color. Mr ©. rs to whom Tam indebted lor most of théfaets ian Doticed, and who has fnll cbargé.at preseAt of the mine, assured me that the wholea d some. what decomposed Mass torned out by mill process at the rate of $20 to $30 per ton. Ly‘ing next to this, going eastaard, is what, they here terni, the ‘true Vein of ribbon. quattz, a: this point three'and a balf feet, and widening . at tle'depth of 100 feet to’! not/ Ikss than 4 feet, and said to bear a very, stri ing iKenles to the -rnck of the celebrated! Hayward im ic -distant_only twelve miles-south-iu . Rec county, of Aumidor. One ton; sent ‘fo,'San N traci S60 ‘as-a test, worked also, by: ill process “$26.75 7), so:that there can no longer r Dea-ofuestion, as to the extent, stability and richness of the mine. . As: still further evidence of: cits_value, _ pros-. pecting almost dnealoulably (if confirmatory . testimony were needed), a: communication'lias" been recently made from thepoint where the new tunnel cuts this vein, with the upper level fof the old works, this? démonStrating with niniost * ma themntical~’ precision ~ “from™=actuat measurement, that {some 12,000 itons can be immediutely stoped ont. from this new level with no other-labor than quarrying and jboistidg, which at the rate of $25 per ton will yield the, moderate little sum ot $300, O00. : Having now crossed the ‘whole of El Dorado’ from Voleanoville'on the ‘north! to this point;' on or néar heriextreme southerm boundary with, facts as to her mineral resources ever acgumn;, lating along our path, we must say that mine a’one, excludiag all others, however proin: . ising or valuable, ought to be sufficient to redéem lier somewhut tarnished ‘Tepotatin jas: it respects the quartz interests, and place her name herenfter in the same catalogue witli ber . , better developed and more courted sisters. ~ Before closing, we wish to allude briefly to two.claims adjoiniug on this same lode. _PHE: GORDON AND MONTRZUMA, The former of 3,000 leet, first, sonth extension owned by prominent parties in San Francisco, las & prospecting shuft-on an outerop of the lode, where it crosses a summit of considerable altitnde, and also a tunhel/entering on the north side _of the tain, and following, the vein south, show a “width jof six feet, with quartz a and other churatteristies sinilar in most } respects to thogeof ‘the Leondtd, a fact needing . ne coument. ‘I'he latter b ing next north of . the Leonard, has lately gome. into the hands of _ English capitalists;-who/are-about to erect a 20 Stamp mill and ‘other fiecessary machinery. The Montezuma has been successfully worked at intervnls for the last hirteen years with no probable yield of about $150,000, baving been opened by a shaft of 105 feet in eras ‘and a tunsel of 170 leet in length, laying bare a thickness of at least five fcet of vein matter, that pays throughout the whole extent ol the lode from $18 to $20 per ton. I imust here’), acknowledge my obligations to Mr. W. W. Cromartie, the only representative here of his London associates, for his courteous exhibition of a map, made from actual Survey for the benefit of his company, embracing the Monte. zuma, Lennard, Uniou and other mines in El Dorado herein. described, tdgether with the more iinportant ones of Atnador, which showed conclusively, (especially when taken into connection with the general similurity ol the rock’ and other’ indications already: fallnded to), that ‘the preat gold range eduld not be far distant . from the mines of “this vicinity. “-The-gald and-gopper claims Situated to the west of those now ous: will-receiva atten. : tion in-our next. In the meantinie a remajn, dg ever, A Prosprecror. il Dorado, El Dorado ch. ‘April, 1866. <> i Piexivo up ‘Tnovonts—Boys, you have heard of blacksmiths who have become mayors . . and inagistrates of towns and cities, aud men of great wealth and influence. What was the -setret of their success? Why, because they picked “up nails and pis in the streets, and carried them. home in the pockets of their waist. ‘dats: “Now you must pick up thoughts in the same way, and fill yonr minds with “them, and they will grow into other thoughts; and you will ‘find them ‘strewed everywherd in your)’ path., Byso,doing you nay acquire even greater; distinction than, that of magistrates or : ‘mayors, . who merely rule by the physical force of power comniitted to them by others. “The shoughts which yon gatber-in place of their-nails mayenable you to rule by. the, stranger and wore: ennobling power of geuius. You’ may become a Patrick, Henry, » Webster ora Clay ;,and mule seaates by the! magic of Your fk AGL hice young workwomen . in. good, mnt entered in the service of a Paris mattufacinrer,, who engaged then in filling boxes with those dangerous toys known as Pharaoh's serpents. After: continuing their work for some days only they were’ “seized with alarming illness, and were obliged to be removed to the Lariboshire hospital. Their lives have been saved, but their bealth is forever Bone. <* “evys + <~ {Written for the Mlalng and Scientific Press.] From Mariposa and Freeno Counties. BY OUR SPECIAL CORRESPONDENT. yA» in FAN cs sos Prrgs: dvr ‘autes for the: show bat little ofioterest to he ge rin the way of gece of etuol ag I. (have. passed Sver Port lon of . Sei :Sompalatively , ee awh . to “that fa’ reat of the State? st som geri F, inay be o He agou vow, ce your" end Fe pall week eneral reader, Biibes ; 3 but the» Peountry apse nts of jon, 1, of its interest to £ bees Ana ow sot TL Al in trav Bised tis Chowchi pper district: on my wa to this place, cm was enabled to form a much more complete and correct idea of its volue than Thad befora. ‘Tha farnace 0 of Massie Henry & Co. I found still in operation. It had distanced the most sangnine hopes of its owners, having smelted four tong of pig SOpper "daily, froin. silicata.and.carbona e.ores, fur. severa ldays in successions n It -woald. bernecessary, ‘however, to stop in a afb ‘or two, Iwons told, as exhausted by” thnt” @ a Philips, at Bacliman;, Holt ‘time. ‘grade, of ores on, had being very low, it wig impossible te dd, g6o0d. work? ‘he ore was a orixtité of red oxide and green ‘eatbonata, with }elayand slate, which would probably ‘a lour or five per cent. It wns found very dif ficult to separata tha metal from this gangue, Ona and a half miles below the Buchmih, on tha north aide of the river, is i : . THE GENERAL ORANT. CLAIM, ' . Owned. by. Mossrsi“Ault,. Jones, and Carton, who claim 2,000 feet ona vein running ip nenrly east and’ west directions,” acrdss tha stratification ofthe country, dipping to the north nt an augle of forty-five degrees. Tha vein shows indications of chipper at varions points on the surface ;but.at the sbaft; where ‘it is ' opened i twelve or fifteen feet” ‘deep, ‘the’ surface’ ¢ erop* . pings show.no signs of metal of, any kind. Ab a depth of four or five feet, bowever, sili¢ate of }copper appears, followed by .a‘blackisty gray ore, having the appeatance of ‘contaluing large quantities , both of , Copper ‘and sively y vhile traces of antimony und, arsenic abyand., Uae) rious tests of this oreibave been .made hy Jocal experts” . ‘in metallorgy ; ;' bot as the “results are vary different sand 3 ip may. cases contri i diotory, Lthiak, thay ara very likely, wanreliable, ‘and tha value of tha ledge remains still a mat tet of doubt. sepermmeli, 5 cul Mr. Ault _accompanied mé on a ‘visit to! BES of land claimed by.Mr, Wm. ‘Neleal ‘iédr-the Bachman, or Ne Plus.:Ula‘a mine, nUticéd' Inst week, and: on whicb heshas discov: éred! what ig believed to be &n extenaion of that vein. Asithe: geological. péculiarities: of thd ‘tio localities ato precisely aimilar, and‘ fing silicates and carbonates of copper may be found ‘on the‘surface’ in‘large quantitias, I think! Me: Nelson is in-the rizht ;that hia Jotatiowis a jvaluable one, the veia being a contiauatioa:of ‘the Ne Plus, Ulira, ert _A ride of eighteen, miles, principally Ocal level plain country,;, brought; me to Millerton, the seat of Justice for, Fresvo gouuty, as bee a dull? a. MILGERTON a! Is pleasantly located on the San Joaquin river, ithreefourthe of a a mile below Fort Miller, and ‘at, the point where the river breaks from ‘the mountains into the plain. The hills in tha ‘neighborhood, ag, well as, the bed of, the. river, ‘are, of granite formation, ‘and, a ‘sbort distaneg vabova the town are very high and steep, form, ang one of the most Pigeupega views in Coli. fornih.: There is Tot a'quartz mill in the county, and but { one'or two! veins’ have’ beva discovered, ‘which: promise to be of any value? but the’ placer mines on the upper 8:in:Joaquih, are said to be immensely rich, In Millertoa I met several of the owners of ‘the Bacliman, or, ‘ he Na ‘Plus Ultri'vein?amoug whom are Judga . 'Wiidall} ‘Gounty’ Judge. of Fiesuo county, and? secretary of the company, Sheriff Ashmun and: ‘Dy, Leach, treasurer of the N. P. U.Co., Irom whom L obtained. much additional usefulinformatiou in regard.to the preseut condition, resoutees and prospects, of Fresno county. ‘Lbe privcipal business of the people-of this county at the present time. is the raising of, eattle and sheep, which prosper well, and find’ -. bundaut pasturage on the broad plains aad'in! low,” werd algo running tbeir furuece ; . but the — ! — se = wiwkw = * ee . ‘ . ie E 7

306 The Mining anil Srientifie-Lress. Comaniudieations. nee THIS Hoe we Invite the rer Discussion of Au alone belng r nce. Rte ahs and theorles they adva: (Wrluen for the ‘Mining aud Scientlfiic Press.) Letter from Professor Brewer, mecho ot, eetures) to AS Seed aorahes P rover sncli a : a ae i Epir me —iiat 2 may) ade i aN t rae irs. iN te din thee ete A des hool eGolldse i? tuted a course of lectures for the especial benefit of tha mechanics of this city. The largest lecture-room_in.the jnstitution_accommodates but, two hundred persons, and so but tbat number. , of tickets were issued at the merely n nominal’ price of one dollar for @ighteen lectures. There were ‘applications. . for more than twice that’ nomber-vf tickets immediately, but,;of course; tbe‘accomimodations forbida a laraer igen? . é eetures Geta by tha Profes! ears in thé ‘seboul,,o0.-t to “eve pings. of, ea ch waek,: tonimenging yin ic Jangaty/aod cloaing. By week ‘alro.(i'Dhé! attendance’ was: almoat! enti a ithe “¢ “Glass for. Whoni the cblirse’ was’ egpecipliy designed, and . ithe. interest, Wag, Un. abated se cloge,'5i1, Y funanl alas ott st 2 “Bach evenitg: brought an, intelligent, earnest: atid most, & attentive audience. “As*an expéri-. ment, ‘the ‘course was: an ‘entra , success. “The, lectures. were upon varipns, subjects). rather. than continuous ‘coursaounone' science. bis up. . Chemistry. cane in, for tha largest share; three Prolessor a aking. § ‘ araté Dianebas one con: sidering the ee chemical, affinity i ip two ; leétures; another devoted four ‘lectures to tthe ebemistry ofthe ait: water, carbon ard’ fuel ; i and Latlother ‘tivo, 3 getilies) On, the’ ‘emelting of iron. ‘and, steely, In ali-eighteen Professors took part andthe following’ aubjects received ‘cach a Tectura’s 2 Relation of Science 'to' the present . etate. Of ‘ihe, Arts; “Architecture; ‘Mechanical’ Drawing ;: Poy Timber 5 Californias The History cof Writing ; Perpetual 3 ‘Motion } 4 Fungi petnicions to Vegetation, \d' Gripe Cutts in’ ‘Garden§.” ‘All eal the ‘chutes, except, three, . as, wil be “seen f from, . thelist, were upon ‘eome science of ‘especial i ivterest inthe ‘abtay' ot inpractieal! life! They were @ properly, i ‘xpeti “speci-, mens, diagrama ‘and drawings, the , ingtitution . being very rich jinsthe nienns for such illustra tions! : Of the! pia value ot of stich, Teetures’ t te tht ob use Ig nee tinne’ them in; futile winters. »i Probably, fom i ine future, the ‘Course: of ‘any one: winter! will not, be Scattered” ‘Over, a6, wide a tay ts, ill on, sone. 9n¢, or, el aubjects, b but, ba, moi of the sciences e bute circumstances and. axpe ence will, of coutsey-deteraidg : the plon to" he pursued vba WA Doetet ct Maden vil Poth diep: interest taken‘ie the ‘shbfect! the past wilitér by those for'whose'espécial bénefit' the lectures were iustitutedythe many’ prietial . questions they proposed from time-tutime, and: thewanilornily: good attendance, “indicate the., ptacticul’vilueof. such means’ of ‘instruction’ to! aduits:1 4 havetno ‘doubt «but’ that: ‘Sitar’ cdurses, or, atleast; courses with siniilar : aims, ! eéuld belinstituled: in Sdn“Francisco, if.a lew! moving? epirits: would twork Jin ‘the’ inatter. Many oft your practical mechanics could them}! selves: enlighten an audience dn ‘the: science ahd . techniculities' of their own craft, Infornatien! coaldthis be! dieseminated, more exact kiow!-{. . ede he brought: to bear in: the'various brandhes, and thes: publio’ ‘would be ! generally benefited: © vfherevis' quite 7 furoresnotw! forvmining . sdhools, so cufled,'in'-tha ‘collages and-‘nl#her‘ achools:Kast,." E cabnot: entiitierate the institu! tiohs. that pretend to’give more or-lasa'instrad!: tion in matters . valating to miiling’’and ‘metallurgy ;enot only in the professedly' © mini bao but in the sciettifie departments of col: leges;technical sehools,ete. Fnotice’even in one agricultural school, that of. Pennsylvania, Diore . atudents close theses on mining thau on apticultural subjects, jodgiag from theirpnblished reports. How ‘maiy of these! beginnings will develop! into’ dulliedzed «+ Mining ‘ Depart. nrents,”time can only determinay.:! 6 cies 1 (be Springs late ;.or Limight say that # wins ter” lingers in the North yet. We had snow. here yesterday, while.io.th. interior of New York, and .in. the, northwest, much. snow: still remains, and streams that usually opeo earlier fon Insects, Injurious to. . +! ‘and other causes similnr 'to thosa tbat have “loperated so disastrously: elsewhere, they al (Written for the-Mining and Scientifig’ ‘Press ] < From El Dorado Oounty. ‘ i 2 m 1 2 . BY, OUR TRAVELING CORRESPONDENT, a lie: _ \ ae S Sy “§ [entinnea from Page 303.7 ie AND SL DoRaDO G. N. eo some 600 acres of timbered land, and a aries f eeyen parallel lodes, one mile to the ‘tha'Church Union and on the snme Several of them have bee opened by oe of ach othe the aggregate length of the forines being Aboat 4 400 Ba the mien depth of the Jatter about forty fe feet, and exhibit thel, usunol dirgetion from eouth to north, together with the eastern dip. Three or four of their Tedges, beh ed to he the best, aid one “oF ‘wbieb ist écontinuntion ¢ of tba McNulty that. . } paid some $40 per ton, lie along a lofty wountain ridge, ‘and! aré'to be cut at a depth of some 500 feet-by.a tunnel already. commenced, .and to be extended fully 800, feety, Near the mouth of this tunnel a.10-stamp, will has been erected, together with an engine.of 75-horse power, put up.in tha best possible style by Capt: J. D. Woodwortb of the Mitchell mine. , Gonsldering the number of lodes to bel, opened, the nychinery necessary, and the jm, mense, amount-of labor to be performed before an enterprise so vast, and such as the original . projectors must have, had in coutemplation, cen be. brought to a siiecessful issue, iti very apparent that the’ supérictendént has labored . under great disadvantages, however enterprising or economical he may bave been, for want of: the means for the proper prosecution: of the wok. It is thought here that $7,000, in, con nection with the advantaces derived from cash paynients, would be barely so ficient,’ “however judiciously handled, to put. the mine into good shape, and on a paying~basis, large undertakings requiring proportionally large. -outlays> In fact, the mill cad do, ee until mltele mine is properly opened. . ! . . t ve THE LEONARD G. 28 COMPANY, .Crossing the nortil fork of tha Cosumnes at ‘Nushville, whera it hos a course nearly due mortb and south ata point thrae miles south of itbe New York and El"Dorado, and two miles hove the Forks ie find one of tbe largest blows or chimveys) to be found anywhare in the county, or along ;the, westeril slope of the Sierra, This claim was! ‘located as early as 1850, anti at one timo aupplied as many as five’ ‘mills with rock. In conséquence of litigation: ‘have long since snspended. * Iiunderstond tbat all conflicting titles having beet now purchased ‘by Mr. HE. W. Leonard of! San! ‘Francisco, the company have been te-( -Org ganized under the above title, and intend: erecting a 20-stainp. ‘mill ‘to be propelled by water power, the, tiver chavs ing here a fall of pot less than ‘sixty ‘feet. In this connection; we might also state that “the company owl a very large river elaun of 3,000 anill dain whieh “fipa aver: “been worked, land deemed very valuable/as: the. river “above and ‘below was exceedifgly rich. ‘be quartz mine was at first opene ‘the deptb of sy and covering an arda of ‘over one hundred feet square. A tunpel‘was} ‘then driven in to the! lode, and thenea through lit to the east aud “hanging wall wall, which ia said ‘to be of granite. From a poiut om this tunnel:. : near the west wall, which is, on the contrary, a ‘black slate, a shalt was sunk, following the Joie fo'tlie depth of100 feet, dr to about eiglity feet bélow tho chanel’ ‘of the river. Frotn'this level for’ 4 distatice of300 feet north, the vein hay’ been stopéd out npwards'to‘within a” few feet of thé surface. Since the re’ organization of the’ company, a ‘uew tunnel ‘has been run in front the west and ‘at ‘the southern extremity of’ the claim, the distanca of some, 200 . ifdet, which, atea, point; 145 feet from, the mouth, struck or: rather, passed through a most beau-. tifal gouge” of black vein matter upwards-of filty feet in thickness; ‘composed principally of . quartz somewhat decayed and fissile with a considerable intermixture of black clayey skale, than ‘this are still i¢e-bound. UW Yours truly, * ~ Wit. FH. Bae New Haven, Ct., April 10, 1866. , .contaiting ‘a’ good’ proportion of the small irregular dark-colnred fron sulphuret, to whose ‘feet—eround previously covered by the . old }" by a cut on the chimney to}, ecoitiposition taken in “connection -witb ‘thati Jot ‘the ‘black: slate, sid Bor tion. of “the lode may Lo some extent t ledst, be ‘indebted for ita peculiar eooty color. Mr ©. rs to whom Tam indebted lor most of théfaets ian Doticed, and who has fnll cbargé.at preseAt of the mine, assured me that the wholea d some. what decomposed Mass torned out by mill process at the rate of $20 to $30 per ton. Ly‘ing next to this, going eastaard, is what, they here terni, the ‘true Vein of ribbon. quattz, a: this point three'and a balf feet, and widening . at tle'depth of 100 feet to’! not/ Ikss than 4 feet, and said to bear a very, stri ing iKenles to the -rnck of the celebrated! Hayward im ic -distant_only twelve miles-south-iu . Rec county,

of Aumidor. One ton; sent ‘fo,'San N traci S60 ‘as-a test, worked also, by: ill process “$26.75 7), so:that there can no longer r Dea-ofuestion, as to the extent, stability and richness of the mine. . As: still further evidence of: cits_value, _ pros-. pecting almost dnealoulably (if confirmatory . testimony were needed), a: communication'lias" been recently made from thepoint where the new tunnel cuts this vein, with the upper level fof the old works, this? démonStrating with niniost * ma themntical~’ precision ~ “from™=actuat measurement, that {some 12,000 itons can be immediutely stoped ont. from this new level with no other-labor than quarrying and jboistidg, which at the rate of $25 per ton will yield the, moderate little sum ot $300, O00. : Having now crossed the ‘whole of El Dorado’ from Voleanoville'on the ‘north! to this point;' on or néar heriextreme southerm boundary with, facts as to her mineral resources ever acgumn;, lating along our path, we must say that mine a’one, excludiag all others, however proin: . ising or valuable, ought to be sufficient to redéem lier somewhut tarnished ‘Tepotatin jas: it respects the quartz interests, and place her name herenfter in the same catalogue witli ber . , better developed and more courted sisters. ~ Before closing, we wish to allude briefly to two.claims adjoiniug on this same lode. _PHE: GORDON AND MONTRZUMA, The former of 3,000 leet, first, sonth extension owned by prominent parties in San Francisco, las & prospecting shuft-on an outerop of the lode, where it crosses a summit of considerable altitnde, and also a tunhel/entering on the north side _of the tain, and following, the vein south, show a “width jof six feet, with quartz a and other churatteristies sinilar in most } respects to thogeof ‘the Leondtd, a fact needing . ne coument. ‘I'he latter b ing next north of . the Leonard, has lately gome. into the hands of _ English capitalists;-who/are-about to erect a 20 Stamp mill and ‘other fiecessary machinery. The Montezuma has been successfully worked at intervnls for the last hirteen years with no probable yield of about $150,000, baving been opened by a shaft of 105 feet in eras ‘and a tunsel of 170 leet in length, laying bare a thickness of at least five fcet of vein matter, that pays throughout the whole extent ol the lode from $18 to $20 per ton. I imust here’), acknowledge my obligations to Mr. W. W. Cromartie, the only representative here of his London associates, for his courteous exhibition of a map, made from actual Survey for the benefit of his company, embracing the Monte. zuma, Lennard, Uniou and other mines in El Dorado herein. described, tdgether with the more iinportant ones of Atnador, which showed conclusively, (especially when taken into connection with the general similurity ol the rock’ and other’ indications already: fallnded to), that ‘the preat gold range eduld not be far distant . from the mines of “this vicinity. “-The-gald and-gopper claims Situated to the west of those now ous: will-receiva atten. : tion in-our next. In the meantinie a remajn, dg ever, A Prosprecror. il Dorado, El Dorado ch. ‘April, 1866. <> i Piexivo up ‘Tnovonts—Boys, you have heard of blacksmiths who have become mayors . . and inagistrates of towns and cities, aud men of great wealth and influence. What was the -setret of their success? Why, because they picked “up nails and pis in the streets, and carried them. home in the pockets of their waist. ‘dats: “Now you must pick up thoughts in the same way, and fill yonr minds with “them, and they will grow into other thoughts; and you will ‘find them ‘strewed everywherd in your)’ path., Byso,doing you nay acquire even greater; distinction than, that of magistrates or : ‘mayors, . who merely rule by the physical force of power comniitted to them by others. “The shoughts which yon gatber-in place of their-nails mayenable you to rule by. the, stranger and wore: ennobling power of geuius. You’ may become a Patrick, Henry, » Webster ora Clay ;,and mule seaates by the! magic of Your fk AGL hice young workwomen . in. good, mnt entered in the service of a Paris mattufacinrer,, who engaged then in filling boxes with those dangerous toys known as Pharaoh's serpents. After: continuing their work for some days only they were’ “seized with alarming illness, and were obliged to be removed to the Lariboshire hospital. Their lives have been saved, but their bealth is forever Bone. <* “evys + <~ {Written for the Mlalng and Scientific Press.] From Mariposa and Freeno Counties. BY OUR SPECIAL CORRESPONDENT. yA» in FAN cs sos Prrgs: dvr ‘autes for the: show bat little ofioterest to he ge rin the way of gece of etuol ag I. (have. passed Sver Port lon of . Sei :Sompalatively , ee awh . to “that fa’ reat of the State? st som geri F, inay be o He agou vow, ce your" end Fe pall week eneral reader, Biibes ; 3 but the» Peountry apse nts of jon, 1, of its interest to £ bees Ana ow sot TL Al in trav Bised tis Chowchi pper district: on my wa to this place, cm was enabled to form a much more complete and correct idea of its volue than Thad befora. ‘Tha farnace 0 of Massie Henry & Co. I found still in operation. It had distanced the most sangnine hopes of its owners, having smelted four tong of pig SOpper "daily, froin. silicata.and.carbona e.ores, fur. severa ldays in successions n It -woald. bernecessary, ‘however, to stop in a afb ‘or two, Iwons told, as exhausted by” thnt” @ a Philips, at Bacliman;, Holt ‘time. ‘grade, of ores on, had being very low, it wig impossible te dd, g6o0d. work? ‘he ore was a orixtité of red oxide and green ‘eatbonata, with }elayand slate, which would probably ‘a lour or five per cent. It wns found very dif ficult to separata tha metal from this gangue, Ona and a half miles below the Buchmih, on tha north aide of the river, is i : . THE GENERAL ORANT. CLAIM, ' . Owned. by. Mossrsi“Ault,. Jones, and Carton, who claim 2,000 feet ona vein running ip nenrly east and’ west directions,” acrdss tha stratification ofthe country, dipping to the north nt an augle of forty-five degrees. Tha vein shows indications of chipper at varions points on the surface ;but.at the sbaft; where ‘it is ' opened i twelve or fifteen feet” ‘deep, ‘the’ surface’ ¢ erop* . pings show.no signs of metal of, any kind.. Ab a depth of four or five feet, bowever, sili¢ate of }copper appears, followed by .a‘blackisty gray ore, having the appeatance of ‘contaluing large quantities , both of , Copper ‘and sively y vhile traces of antimony und, arsenic abyand., Uae) rious tests of this oreibave been .made hy Jocal experts” . ‘in metallorgy ; ;' bot as the “results are vary different sand 3 ip may. cases contri i diotory, Lthiak, thay ara very likely, wanreliable, ‘and tha value of tha ledge remains still a mat tet of doubt. sepermmeli, 5 cul Mr. Ault _accompanied mé on a ‘visit to! BES of land claimed by.Mr, Wm. ‘Neleal ‘iédr-the Bachman, or Ne Plus.:Ula‘a mine, nUticéd' Inst week, and: on whicb heshas discov: éred! what ig believed to be &n extenaion of that vein. Asithe: geological. péculiarities: of thd ‘tio localities ato precisely aimilar, and‘ fing silicates and carbonates of copper may be found ‘on the‘surface’ in‘large quantitias, I think! Me: Nelson is in-the rizht ;that hia Jotatiowis a jvaluable one, the veia being a contiauatioa:of ‘the Ne Plus, Ulira, ert _A ride of eighteen, miles, principally Ocal level plain country,;, brought; me to Millerton, the seat of Justice for, Fresvo gouuty, as bee a dull? a. MILGERTON a! Is pleasantly located on the San Joaquin river, ithreefourthe of a a mile below Fort Miller, and ‘at, the point where the river breaks from ‘the mountains into the plain. The hills in tha ‘neighborhood, ag, well as, the bed of, the. river, ‘are, of granite formation, ‘and, a ‘sbort distaneg vabova the town are very high and steep, form, ang one of the most Pigeupega views in Coli. fornih.: There is Tot a'quartz mill in the county, and but { one'or two! veins’ have’ beva discovered, ‘which: promise to be of any value? but the’ placer mines on the upper 8:in:Joaquih, are said to be immensely rich, In Millertoa I met several of the owners of ‘the Bacliman, or, ‘ he Na ‘Plus Ultri'vein?amoug whom are Judga . 'Wiidall} ‘Gounty’ Judge. of Fiesuo county, and? secretary of the company, Sheriff Ashmun and: ‘Dy, Leach, treasurer of the N. P. U.Co., Irom whom L obtained. much additional usefulinformatiou in regard.to the preseut condition, resoutees and prospects, of Fresno county. ‘Lbe privcipal business of the people-of this county at the present time. is the raising of, eattle and sheep, which prosper well, and find’ -. bundaut pasturage on the broad plains aad'in! low,” werd algo running tbeir furuece ; . but the — ! — se = wiwkw = * ee . ‘ . ie E 7