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1
Telluride ores of Boulder County, Colorado
[Boulder] Geological Society of America, 1969Format: Book
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2
Sault Ste. Marie-Elliot Lake sheet, geological compilation series, Algoma, Manitoulin and Sudbury districts
[Toronto, Ont.] : The Dept., 1967Format: Map
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3
Geological Survey [South Africa] 1:250 000 geological series : Geologiese Opname [South Africa] 1:250 000 geologiese reeks. 2626, Wes-Rand
Pretoria, South Africa : Government Printer, 1986Format: Map
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4
Quantifying the economic potential of undiscovered mineral resources : a case study of Kantishna Hills, Alaska
Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1987Format: Government Document Book
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