Cite This Item
MLA
Geological Survey (U.S.). United States. Washington, D.C.: The Survey, 1911. Web. 30 Apr 2024. <https://ark.digitalcommonwealth.org/ark:/50959/7h149z15w>.
APA
Geological Survey (U.S.). (1911). United States [Map]. Retrieved from https://ark.digitalcommonwealth.org/ark:/50959/7h149z15w
Chicago
Geological Survey (U.S.). "United States." Map. Washington, D.C.: The Survey, 1911. Digital Commonwealth, https://ark.digitalcommonwealth.org/ark:/50959/7h149z15w (accessed April 30, 2024).