"Compiled under direction of Capt. D.P. Heap, Corps of Engineers, W.H. Wood, May 1872.", "Prepared by order of Maj. Gen'l. W.S. Hancock.", and Relief shown by hachures.
Publisher:
The Dept.],
Subject (Geographic):
Montana--Maps
Subject (Name):
Durage, Julius J, Hancock, Winfield Scott, 1824-1886, Heap, D. P. (David Porter), b. 1843, Maguire, Edward, d. 1892, and Wood, W. H