(MONTANA) [Anon.] Map of a Portion of Montana Territory. Scale 1"=6 miles. Colored inks on oil cloth, 21-1/4 x 31-1/4". (Map 31)
MLA
Company, Northern Pacific Railway. (MONTANA) [Anon.] Map of a Portion of Montana Territory. Scale 1"=6 Miles. Colored Inks on Oil Cloth, 21-1/4 x 31-1/4". (Map 31). 1886. https://collections.library.yale.edu/catalog/2016955.
APA, 6th edition
Company, N. P. R. (1886). (MONTANA) [Anon.] Map of a Portion of Montana Territory. Scale 1"=6 miles. Colored inks on oil cloth, 21-1/4 x 31-1/4". (Map 31). https://collections.library.yale.edu/catalog/2016955.
