Electric Furnaces as Applied to Non-ferrous Metallurgy [microform]Alfred 1871-1944 StansfieldHäftad209 kr
Electrothermic Smelting of Iron Ores in Sweden [microform]Alfred 1871-1944 Stansfield, Canada Dept of MinesHäftad239 kr
Electric Furnaces as Applied to Non-ferrous Metallurgy [microform]Alfred 1871-1944 StansfieldHäftad209 kr
Electrothermic Smelting of Iron Ores in Sweden [microform]Alfred 1871-1944 Stansfield, Canada Dept of MinesHäftad239 kr
Mineral Resources of a Portion of the Omineca Mining Division [microform]John D. (John Davidson) Galloway, British Columbia Bureau of MinesHäftad219 kr
Preliminary Review and Estimate of Mineral Production, 1915 [microform]William Fleet 1859-1929 Robertson, British Columbia Bureau of MinesHäftad219 kr
Preliminary Review and Estimate of Mineral Production, 1916 [microform]William Fleet Robertson, British Columbia Bureau of MinesHäftad209 kr
Preliminary Review and Estimate of Mineral Production for Year 1911 [microform]William Fleet 1859-1929 Robertson, British Columbia Bureau of MinesHäftad209 kr
Geology and Ore-deposits of Rossland, B.C. [microform]Everend Lester B. Bruce, British Columbia Bureau of MinesHäftad209 kr
Preliminary Review and Estimate of Mineral Production, 1919 [microform]William Fleet 1859-1929 Robertson, British Columbia Bureau of MinesHäftad219 kr