Case, Francis M. Map of Colorado Territory, Compiled from Government Maps & actual Surveys made in 1861.. Washington D.C.. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc29451/. Accessed July 30, 2014.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.