Drainage Map of Colorado. Topography by A.D. Wilson, G.R. Bechler, Henry Gannett, G.B. Chittenden and S.B. Ladd. Department of the Interior, U.S. Geological and Geographical Survey of the Territories, F.V. Hayden, U.S. Geologist in Charge. March 1877. Sheet II.
who: Hayden, F.V.; Department of The Interior. United States Geological and Geographical Surveys of the Territories.; Wilson, A.D.; Bechler, G.R.; Gannett, Henry, 1846-1914; Chittenden, G.B.; Ladd, S.B.
what: Geology; Rivers; State Atlas; Atlas Map
when: 1881
where: Colorado
North-western Colorado and part of Utah. U.S. Geological and Geographical Survey of the Territories. F.V. Hayden in Charge. S.B. Ladd, G.R. Bechler, H. Gannett and G.B. Chittenden, Topographical Assistants. Surveyed in 1874 & '76. Sheet V.
who: Hayden, F.V.; Department of The Interior. United States Geological and Geographical Surveys of the Territories.; Ladd, S.B.; Bechler, G.R.; Gannett, Henry, 1846-1914, 1846-1914; Chittenden, G.B.
what: Geology; State Atlas; Atlas Map
when: 1881
where: Colorado
Northern Central Colorado. U.S. Geological and Geographical Survey of the Territories. F.V. Hayden in Charge. S.B. Ladd, G.R. Bechler, H. Gannett and G.B. Chittenden, Topographical Assistants. Surveyed in 1873, '74 & '75. Sheet VI.
who: Hayden, F.V.; Department of The Interior. United States Geological and Geographical Surveys of the Territories.; Ladd, S.B.; Bechler, G.R.; Gannett, Henry, 1846-1914, 1846-1914; Chittenden, G.B.
what: Geology; State Atlas; Atlas Map
when: 1881
where: Colorado
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