Explorations and surveys south of Central Pacific R.R., War Department : preliminary topographical map embracing in skeleton a portion only of the notes from surveys made in accordance with Par.II Special Orders No. 109 War Dept., March 18th, 1871 and let
MLA
of Engineers, United States. Army. Corps. Explorations and Surveys South of Central Pacific R.R., War Department : Preliminary Topographical Map Embracing in Skeleton a Portion Only of the Notes from Surveys Made in Accordance with Par.II Special Orders No. 109 War Dept., March 18th, 1871 and Let. G.P.O.?, 1872. https://collections.library.yale.edu/catalog/15811216.
APA, 6th edition
of Engineers, U. S. A. C. (1872). Explorations and surveys south of Central Pacific R.R., War Department : preliminary topographical map embracing in skeleton a portion only of the notes from surveys made in accordance with Par.II Special Orders No. 109 War Dept., March 18th, 1871 and let [Maps]. G.P.O.?, https://collections.library.yale.edu/catalog/15811216.
