Post route map of the territories of Montana, Idaho, and Wyoming with parts of adjacent states and territories : showing post offices with intermediate distances between them and mail routes in operation on 1st October 1883 / published by order of Postmas
MLA
Dept, United States. Post Office. Post Route Map of the Territories of Montana, Idaho, and Wyoming with Parts of Adjacent States and Territories : Showing Post Offices with Intermediate Distances between Them and Mail Routes in Operation on 1st October 1883 / Published by Order of Postmas. The Dept., 0AD. https://collections.library.yale.edu/catalog/15818321.
APA, 6th edition
Dept, U. S. P. O. (0 C.E.). Post route map of the territories of Montana, Idaho, and Wyoming with parts of adjacent states and territories : showing post offices with intermediate distances between them and mail routes in operation on 1st October 1883 / published by order of Postmas [Maps]. The Dept., https://collections.library.yale.edu/catalog/15818321.
