Northern Central 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.
David RumseyHayden, F.V.
1881
1881
Department of The Interior. United States Geological and Geographical Surveys of the Territories.
1:253 440