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The Iron Ores of Canada
Young, G. A.; Uglow, W. L. - 1926
Persistent link: https://www.econbiz.de/10000378010
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Abrasives, products of Canada, technology and application
Eardley-Wilmot, Vere Levinge - 1927
Persistent link: https://www.econbiz.de/10002113957
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Silica in Canada : its occurrence, exploitation and uses
Cole, L. Heber - 1928
Persistent link: https://www.econbiz.de/10003415748
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Economic geology series
Geological Survey of Canada - Ottawa - 1.1926 - 13.1934; 14.1944 - 19.1960
Persistent link: https://www.econbiz.de/10010230471
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Guide book / iss. by the Geological Survey of Canada. Department of Mines, Canada
Geological Survey of Canada - Ottawa : Survey - 1.1913 -
Persistent link: https://www.econbiz.de/10010449334
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Canada Department of Mines, Mines Branch
Kanada / Department of Mines - Ottawa : F.A. Acland; früher: Ottawa : Gov. Print. Bureau - 170 (1913) [?]-No. 641 (1925) [?]
Persistent link: https://www.econbiz.de/10010455263
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Bituminous Sands of Northern Alberta : Occurrence and economic possibilities. Report on investigations to the end of 1924
Ells, S. C. (contributor) - 1926
Persistent link: https://www.econbiz.de/10002330351
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Diatomite : Eardley-Wilmot, V[ere] L[evinge] ; Its occurrence, preparation and uses
Eardley-Wilmot, Vere Levinge - 1928
Persistent link: https://www.econbiz.de/10002337933
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Mineral resource report
Pennsylvania / Bureau of Topographic and Geologic Survey; … - Harrisburg, Pa. - Nachgewiesen 4.Ser. 1.1922 -
Persistent link: https://www.econbiz.de/10010448842
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Pennsylvania Geological Survey
Pennsylvania Geological Survey - Harrisburg, Pa. - 4.Ser. 1.1932 - 67.1939[?]
Persistent link: https://www.econbiz.de/10010450194