Preliminary map of the western portion of the reconnaissance & survey for a Pacific rail road route near the 35th par[allel] ...
MLA
J. Bein, Whipple, Amiel Weeks, 1817?-1863. Preliminary map of the western portion of the reconnaissance & survey for a Pacific rail road route near the 35th par[allel] .... https://collections.library.yale.edu/catalog/2000745.
APA, 6th edition
J. Bein, & Whipple, Amiel Weeks, 1817?-1863. [Preliminary map of the western portion of the reconnaissance & survey for a Pacific rail road route near the 35th par[allel] ...]. https://collections.library.yale.edu/catalog/2000745.