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1Published 1902“...Water-supply papers 74; water resources of Colorado...”
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2Published 1903“...Geological Survey professional paper 16; Carboniferous formations and faunas of Colorado...”
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3Published 1904“...Geological Survey bulletin 265; Geology of Boulder district, Colorado...”
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4Published 1907“...Geological Survey bulletin 320; Geology of downtown district of Leadville, Colorado...”
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5Published 1897“...Memorial of General Assembly of Colorado on Geological Survey...”
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6Published 1891“...Geological Survey Bulletin 93: Some insects of special interest from Florissant, Colorado...”
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7Published 1930“...Geological Survey professional paper 155; Flora of Denver formation of Colorado...”
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8Published 1918“...Geological Survey bulletin 681; Oxidized zinc ores of Leadville, Colorado...”
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9Published 1892“...Geological Survey Bulletin 106: Colorado formation and its invertebrate fauna...”
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10Published 1917“...Water-supply paper 396; Profile surveys in Colorado River basin in Wyoming, Utah, Colorado, and New...”
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11Published 1911“..., Colorado...”
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12Published 1932“...Geological Survey professional paper 169; Bonanza mining district, Colorado...”
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13Published 1901“...Geological Survey bulletin 182; Report on economic geology of Silverton quadrangle, Colorado...”
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14Published 1906“... in Eastern Colorado...”
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15Published 1926“...Geological Survey bulletin 779; Guides to ore in Leadville district, Colorado...”
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16Published 1911“...Geological Survey bulletin 478; Geology and ore deposits near Lake City, Colorado...”
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17Published 1911“...Geological Survey bulletin 486; Spirit leveling in Colorado, 1896-1910...”
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18Published 1927“...Geological Survey professional paper 148; geology, etc., Leadville district, Colorado...”
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19Published 1904“...Geological Survey bulletin 254; Geological resurvey of Cripple Creek district, Colorado...”
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20Published 1916“...Water-supply paper 395; Colorado River and its utilization...”
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