(UTAH.) Simpson, James H. Report of Explorations Across the Great Basin of the Territory of Utah. 3 maps, 22 plates. 4to, contemporary cloth, minor wear, rebacked; large folding map a bit worn on left edge, with tasteful repairs at folds; small bookplate on front pastedown. Washington, 1876
The large folding "Map of Wagon Routes in Utah Territories" shows a variety of routes, from the one taken by Fremont in 1843 to the one pioneered by Simpson in 1859. Publication of his full report was delayed by the Civil War. 'This route . . . shortened the distance to California by 250 miles; it was adopted by the overland mail, pony express and telegraph"--Howes S501. Flake 7724; Graff 3791; Sabin 81355; Wheat, Transmississippi West 999 and pages IV:137-9.
