Topographic map of the Grand Canyon National Park, Arizona / U.S. Dept. of the Interior, Geological Survey, in cooperation with the National Park Service; topography by Francois E. Matthes and Richard T. Evans.

Chicago citation style
Topographic map of the Grand Canyon National Park, Arizona / U.S. Dept. of the Interior, Geological Survey, in cooperation with the National Park Service; topography by Francois E. Matthes and Richard T. Evans.. 1927. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/7743. (Accessed April 20, 2024.)
APA citation style
(1927) Topographic map of the Grand Canyon National Park, Arizona / U.S. Dept. of the Interior, Geological Survey, in cooperation with the National Park Service; topography by Francois E. Matthes and Richard T. Evans.. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/7743
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/7743>.
Note: These citations are programmatically generated and may be incomplete.