Hayden and His Men, Being a Selection of 108 Photographs by William Henry Jackson of the United States Geological and Geographical Survey of The Territories for the Years 1870-1878, Ferdinand V. Hayden, Geologist in ChargeHayden and His Men, Being a Selection of 108 Photographs by William Henry Jackson of the United States Geological and Geographical Survey of The Territories for the Years 1870-1878, Ferdinand V. Hayden, Geologist in Charge
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