Arizona (Coconino County), Bright Angel quadrangle

Chicago citation style
Geological Survey (U.S.). Arizona (Coconino County), Bright Angel quadrangle. 1903. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cj82m6415. (Accessed June 20, 2018.)
APA citation style
Geological Survey (U.S.), (1903) Arizona (Coconino County), Bright Angel quadrangle. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cj82m6415
MLA citation style
Geological Survey (U.S.). Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/cj82m6415>.
Note: These citations are programmatically generated and may be incomplete.