Geological and topographical map of the anthracite fields of Pennsylvania: constructed from original explorations and surveys

Chicago citation style
Rogers, Henry D. (Henry Darwin), 1808-1866. Geological and topographical map of the anthracite fields of Pennsylvania: constructed from original explorations and surveys. 1858. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/x059cd401. (Accessed July 19, 2018.)
APA citation style
Rogers, Henry D. (Henry Darwin), 1808-1866, (1858) Geological and topographical map of the anthracite fields of Pennsylvania: constructed from original explorations and surveys. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/x059cd401
MLA citation style
Rogers, Henry D. (Henry Darwin), 1808-1866. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/x059cd401>.
Note: These citations are programmatically generated and may be incomplete.