Gold: its occurrence and extraction [microform] : embracing the geographical and geological distribution and the mineralogical characters of gold-bearing rocks, the peculiar features and modes of working shallow placers, rivers and deep leads, hydraulicin
"With six double-page maps, and 185 engravings in the text." Note laid in: "The section on Russia is entirely from the pen of E. Delmar Morgan, F.R.G.S., the well known explorer of central Asia"--p. [v] Tables Part of a CIHM set. For individual microfiches in this set see CIHM microfiche nos. 17407-17409 Filmed from a copy of the original publication held by the Library Division, Provincial Archives of British Columbia 43
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