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1by L'Ecuyer, Rosalie E.Subjects: “...Ruby-Poorman Mining District (Ruby Quadrangle, Alaska)...”
Published 1993
Government Document Book -
2by L'Ecuyer, Rosalie E.Table of Contents: “... World War II (1946-1993) -- End notes -- Annotated bibliography Ruby-Poorman Mining District....”
Published 1993
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3by Eakin, Henry M. (Henry Miner), 1883-1936Subjects: “...Geology Alaska Ruby....”
Published 1914
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9by Cobb, Edward H. (Edward Huntington), 1916-1983“...Ruby quadrangle, Alaska, metallic minerals map...”
Published 1972
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11Published 1914“...Geological Survey bulletin 578; Iditarod-Ruby region, Alaska...”
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