Parts of Idaho, Montana and Wyoming territories / from surveys made under the direction of F.V. Hayden and other authorities ; compiled and drawn by E. Hergesheimer.

[Washington, D.C.] : Dept. of the Interior, U.S. Geological Survey of the Territories, 1871.

1 map ; 54 x 61 cm.

Scale [ca. 1:633,600] (W 114⁰--W 109⁰/N 46⁰--N 43⁰).

English

June 01, 2002