Iowa State College. Department of Civil Engineering. Date from record from seemingly related bulletin (Bulletin, Engineering experiment station, no. 32).|45 x 45 centimeters|Scale approximately 1:25,0... The Collegé (Ames, Iowa).
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Geological Survey (U.S.). Relief shown by contours.; Contour interval 5 feet.; "Surveyed in 1916."|141 x 63 centimeters|Scale approximately 1:21,120; 3 inch to 1 miles|City ... U.S. Geological Survey (Washington, D.C).
1911. United States. Geological Survey Relief shown by 25 feet contour intervals excepting that on Marysville Buttes above 500, the interval is 250 feet.... [Washington, D.C.] : [s.n.], 1911.
Darton, Nelson Horatio, 1865-1948. Relief shown by contours and spot heights.|130 x 108 centimeters|Scale 1:500,000|General Map Collection. Arizona Bureau of Mines & U.S. Geological Survey.
Geological Survey (U.S.). Relief shown by contours and spot heights; Contour interval 100 feet. Datum is mean sea level.; Includes examples of "Conventional signs" used on t... Engraved and printed by the U.S. Geological Survey (Washington, D.C).
Minnesota. 67 x 93 centimeters|Scale approximately 1:1,440.|Minneapolis and St. Paul Maps and Atlases. [The State], (Minnesota).
Geological Survey (U.S.). Surveyed between 1893 and 1909, roads and trails added 1928 by National Park Service.; Relief shown by contour lines and spot heights.; Contour int... U.S. Geological Survey (Washington, D.C).
Geological Survey (U.S.). Relief shown by contours and spot heights.|67 x 71 centimeters|Scale 1:125,000|General Map Collection. The Survey (Washington).
1929. U.S.Geological Survey. [Reston, Va.] : U.S. Geological Survey, 1929.
1948. U.S.Geological Survey. [Reston, Va.] : U.S. Geological Survey, 1948.
