Map of the United States : exhibiting the grants of lands made by the General government to aid the construction of railroads and wagon roads / Dept. of the Interior. U.S. Geographical and Geological Survey of the Rocky Mountain Region J.W. Powell, in Cha
MLA
Map of the United States : Exhibiting the Grants of Lands Made by the General Government to Aid the Construction of Railroads and Wagon Roads / Dept. of the Interior. U.S. Geographical and Geological Survey of the Rocky Mountain Region J.W. Powell, in Cha. Dept. of the Interior, 1878. https://collections.library.yale.edu/catalog/15603726.
APA, 6th edition
Map of the United States : exhibiting the grants of lands made by the General government to aid the construction of railroads and wagon roads / Dept. of the Interior. U.S. Geographical and Geological Survey of the Rocky Mountain Region J.W. Powell, in Cha. (1878). [Maps]. Dept. of the Interior, https://collections.library.yale.edu/catalog/15603726.
