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USGS1925

Contributions to economic geology (short papers and preliminary reports), 1923-1924, Part I, Metals and nonmetals except fuels. Origin of certain rich silver ores near Chloride and Kingman, Arizona

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USGS1925

Contributions to economic geology (short papers and preliminary reports), 1923-1924, Part I, Metals and nonmetals except fuels. Observations on the rich silver ores of Aspen Colorado

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USGS1925

Contributions to economic geology (short papers and preliminary reports), 1923-1924, Part I, Metals and nonmetals except fuels. New and known minerals from the Utah-Colorado carnotite region

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USGS1925

Contributions to economic geology (short papers and preliminary reports), 1923-1924, Part I, Metals and nonmetals except fuels. Molybdenite in the Rocky Bar district, Idaho

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USGS1925

Contributions to economic geology (short papers and preliminary reports), 1923-1924: Part II. - Mineral fuels

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USGS1925

Contributions to the geography of the United States, 1923-1924

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USGS1925

Contributions to the geography of the United States, 1923-1924. Erosion by solution and fill

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USGS1925

Contributions to the geography of the United States, 1923-1924. Pedestal rocks in stream channels

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USGS1926

Contributions to economic geology (short papers and preliminary reports, 1925 : Part I. - Metals and nonmetals except fuels

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USGS1926

Contributions to economic geology (short papers and preliminary reports), 1925: Part II. - Mineral fuels

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USGS1926

Contributions to economic geology, 1925: Part II, Mineral fuels. Notes on Paleozoic rocks encountered in a well near Florence, Alabama

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USGS1926

Contributions to economic geology (short papers and preliminary reports), 1926: Part I. - Metals and nonmetals except fuel

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USGS1927

Contributions to economic geology (short papers and preliminary reports), 1926: Part II. - Mineral fuels

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USGS1927

Contributions to the geography of the United States, 1926

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USGS1927

Contributions to the geography of the United States, 1926. The "Palouse soil" problem, with an account of elephant remains in wind-borne soil on the Columbia plateau of Washington

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USGS1928

Contributions to economic geology (short papers and preliminary reports) : Part II. - Mineral fuels

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USGS1929

Contributions to economic geology (short papers and preliminary reports), 1928 : Part I. - Metals and nonmetals except fuels

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USGS1929

Contributions to economic geology (short papers and preliminary reports), 1928, Part I, Metals and nonmetals except fuels. Platinum and black sand in Washington

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