Trail in the San Juan Mountains. Cunningham Gulch. Colorado

Chicago citation style
Department of the Interior. General Land Office. U.S. Geological and Geographic Survey of the Territories. (1874 - 6/30/1879). Trail in the San Juan Mountains. Cunningham Gulch. Colorado. 1875. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/517106. (Accessed December 17, 2018.)
APA citation style
Department of the Interior. General Land Office. U.S. Geological and Geographic Survey of the Territories. (1874 - 6/30/1879), (1875) Trail in the San Juan Mountains. Cunningham Gulch. Colorado. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/517106
MLA citation style
Department of the Interior. General Land Office. U.S. Geological and Geographic Survey of the Territories. (1874 - 6/30/1879). Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/517106>.
Note: These citations are programmatically generated and may be incomplete.