. Transactions . h^ c\ ^ °. ^ ^ ^ ^ o5 a> a3 o ci G O a O CmO d: : -a CO ,a ci d P a- a 93 0) 8 ^ « tj « 204 THE CENTENNIAL AND LOTTA GOLD PROPERTIES. Copper Mine, situated in the same mountain. His views of thestate of facts, always temperate and thoughtful, are entitled to everyrespect. Discussion. Fllis Clark, Jr., Philadelphia, Pa. (Communication to theSecretary): Having personally examined the properties described iuthis paper, I can corroborate in every particular the account of The accompanying sketches, made by myself, exhibit thestructure of the veins as explained in the
. Transactions . h^ c\ ^ °. ^ ^ ^ ^ o5 a> a3 o ci G O a O CmO d: : -a CO ,a ci d P a- a 93 0) 8 ^ « tj « 204 THE CENTENNIAL AND LOTTA GOLD PROPERTIES. Copper Mine, situated in the same mountain. His views of thestate of facts, always temperate and thoughtful, are entitled to everyrespect. Discussion. Fllis Clark, Jr., Philadelphia, Pa. (Communication to theSecretary): Having personally examined the properties described iuthis paper, I can corroborate in every particular the account of The accompanying sketches, made by myself, exhibit thestructure of the veins as explained in the paper. Fig. 1 is a rough sketch of the Centennial vein as it was exposedin December, 1884. Fig. 1. D. Centennial ore-vein, Coahuila. A, A, A, A, walls of excavation (12 ft. deep);B, B, granite country-rock; C, C, vein-matter (decomposed granite) 2 ft, wide;D, D, streak of copper pyrites, carrying gold, 1 inch wide. Strike, N. 38° E. THE CENTENNIAL AND LOTTA GOLD PROPERTIES. 205 Fig. 2 is the Lotta vein as sketched in March, 1885. Fig. 2.
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
