"Map of a Reconnaissance for a Military Road from The Dalles of the Columbia River to Great Salt Lake under the command of Capt. H.D. Wallen, 4th Inf. By Lieut.. Joseph Dixon, T. Eng.",
Subject: Western United States
Period: 1859 (dated)
Publication: Sen. Doc #34, 36th Congress, 1st Ses.
Color: Black & White
21.7 x 16.4 inches
55.1 x 41.7 cm
Detailed map of the region between Mt. Hood and the Great Salt Lake. Forts Wallah Wallah, Dalles, Boisee and Hall are shown along with wagon roads and proposed routes. Folding as issued.