Rand McNally & Co.'s new geological map of Colorado

1880

Rand, McNally

1:800k

Colorado, Denver quadrangle

1901

Geological Survey (U.S.)

1:125k

Map of Kansas, Nebraska, and Colorado. Showing also the eastern portion of Idaho.

1860

Map of the Indian Territory, Northern Texas and New Mexico.

1842

Denver and vicinity, Colorado

1959

Geological Survey (U.S.)

1:24k

[Die Vereinigten Staaten von Amerika in 6 Blättern, Blatt 5]

1892

Stieler, Adolf

Map of an exploring expedition to the Rocky Mountains in the year 1842 and to Oregon & north California in the years 1843-44

1845

Frémont, John Charles

1:2m

The Atchison, Topeka and Santa Fe railway system

1926

New York, N.Y. : Montross & Clarke

1:4m

Map of Military Department of the Platte, Nebraska. sheet no. 2

1872

Jones, William Albert 1841-1914; États-Unis. Corps of Engineers

1:1m

Topographic map of Mesa Verde National Park, Montezuma County, Colorado / R.B. Marshall, chief geographer ; Sledge Tatum, geographer in charge ; topography by R.W. Berry ... [et al.] ; engraved and printed by the U.S. Geological Survey

1915

Marshall, R. B.; Tatum, Sledge; Berry, R. W.; United States Geological Survey

1:31k