Collection: Directories and Documents > Mines Information

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Title: Other Mines - Part 2 (C thru G) Collection Type: Directories and Documents Collection Name: Mines Information # of Pages: 152 Download PDF: User Login Required Download OCR Text: User Login Required

Date Scanned: 2024-01-31 14:14:13 Item Sourced From: PDF First Created: 2025-03-17 03:22:49 Last Updated: 2025-03-17 03:22:49

Original Held At: Searls Historical Library Location: 161 Nevada City Hwy, Nevada City, CA 95959

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“The first payment of $10,000 on the Cassidy mine has been made by the Cassidy Con. G.M. Co. A strong shoot of $20 ore was recently found on the 350 ft. level.” Mining & Scientific Press, pg. 673-674, 5-13-1911 “The ore-shoot recently opened in the Cassidy Con. Continues to show high-grade milling quartz.” Mining & Scientific Press, pg. 723, 11-26-1910 “The Cassidy Con. Company is arranging for the installation of heavier pumping machinery, the present plant proving too small to handle the water. The shaft is down 240 ft. and has cut a vein of fair-grade quartz. The water is greatly retarding work.” Mining & Scientific Press, pg. 589, 10-29-1910 “A number of stockholders visited the Cassidy mine in the Grass Valley district and have expressed themselves as being well pleased with the progress in development.” Mining & Scientific Press, pg. 454, 10-1-1910 “Good progress is being made at the Cassidy, near Grass Valley, the shaft being down 155 ft., and progressing at the rate of 6 ft. per day. The shaft has run out of the vein but is expected to PICk it up again within the next 50 ft. as the ore is pitching toward it.” Mining & Scientific Press, pg. 253, 8-20-1910 “The shaft at the Cassidy is going down steadily in $35 ore. The company has installed a 50 h.p. boiler to facilitate in pumping, as considerable water has been met lately.” Mining & Scientific Press, pg. 944, 6-25-1910 “The Cassidy Consolidated Gold Mining Co. is arranging to install new machinery at its recently acquired claims in the Grass Valley district.” Mining & Scientific Press, pg. 537, 4-9-1910 “The Cassidy Consolidated Gold Mining Co. has been incorporated to open the Cassidy property that includes the ground between the Empire and Pennsylvania mines in Grass Valley district. An order for a 90 h.p. hoist has been placed and the company will sink to the 1000 ft. level. The property has been worked to the 200 ft. level, but operations were suspended in the seventies on account of the heavy flow of water.” Mining & Scientific Press, pg. 504, 4-2-1910 The Union Mining & Business Directory, 1895, page 29 “History of Nevada County” by Thompson & West, 1880, page 194a Cassidy Cons. Quartz Claim: see Empire Mine “Nevada City Nugget Special Mining Issue, 1936 Cassidy Mines Co.: “With a capital of $200,000, the Cassidy Mines Co. has been formed by San Francisco men, with M. Walters as president, to develop the Cassidy and Linden veins, parallel to and between the Empire and W.Y.O.D. at Grass Valley.” Mining & Scientific Press, page 837, 6-3-1916 Cassidy Mining Co.: Searls Corporation documents #C21 Cassidy Vein: “The Gold Quartz Veins of Grass Valley, CA” U.S. Department of the Interior Geological Survey Professional Paper 194, 1940, page 87 “With a capital of $200,000, the Cassidy Mines Co. has been formed by San Francisco men, with M. Walters as president, to develop the Cassidy and Linden veins, parallel to and between the Empire and W.Y.O.D. at Grass Valley.” Mining & Scientific Press, page 837, 6-3-1916 Cassidy-Nevada Claim: Grass Valley “State Minerologist Report” #16, 1919, page 21 Castlebaum Mine: “Meadow Lake again active; ball mill is erected at old site” The Union, pg. 4, 10-13-1933 Cecil Gold Mining Co.: Searls Corporation documents #C81 Cedar Claim: “State Minerologist Report” #16, 1919, page 134 13