2473

Colorado Gold Mining Company of Philadelphia Stock Certificate [200477]

Currency:USD Category:Coins & Paper Money / Stock & Bond - Mining Start Price:100.00 USD Estimated At:200.00 - 400.00 USD
Colorado Gold Mining Company of Philadelphia Stock Certificate [200477]
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No. 410, issued for 1,000 shares to Jos. Harrison Jr. in 1870. Signed by president Haseltine and the treasurer. Not cancelled. Black border and print, nice mine hoisting vignette at left and eagle at top center. Folds, pinholes. 7 x 10.5" The company had 300 feet east of the Clark-Gardner, one shaft 250 feet deep, one 80 feet deep; a drift 220 feet from the surface, runs 25 feet from the surface, runs 25 feet either way, exposing a pay vein eighteen inches in width. On the mine was an engine house with a small engine for hoisting. They had a large stone mill in Nevada Gulch, 70 ft. By 70 ft., exclusive of the engine house 34 by 35, an assay office 20 feet square, and a recess on one side for a quartz room. The mill was intended for 50 stamps, 12 pans, and two Cornish buddles. The company built a lean-to on the side of the mill 25 by 112, and a brick muffle 80 feet long, 6 by 9 feet in size, with a stack 50 feet high. The ore was introduced at one end, with one tenth of its weight of sodium sulfate, and worked to the other with shovels, then lixiviated for the copper and silver, and amalgamated for the gold. The mill was started 1 September 1886 [Ref: Hollister, The Mines of Colorado, p. 182, 1867]. Incorporated by special charter, with offices in Philadelphia.
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Date: 1870
Country (if not USA):
State: Colorado
City: Gilpin County
Provenance: Douglas McDonald Collection