Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean. Made under the direction of the Secretary of War, in 1853-6, according to Acts of Congress of March 3, 1853, May 31, 1854, and August 5, 1854.

Report on Ruminants, PDF pp. 677 - 733 with drawings of antlers. Report on rodents with black and white drawings, PDF pp. 810 - 894.

Johnson Annotation

Explorations of Railroad Routes from the Mississippi to the Pacific. 14 Feb. SED 78, 33-2, v13 (pts. 1-11), 62llp. [758-768] or HED 91, 33-2, vll (pts. 1-11), 6211p. [791-801] Journals of expeditions, including descriptions of Indians; a northern route from Minnesota, along the Upper Missouri, to Washington: a central route from Missouri, across the Great Basin, to California; a southern route from the Red River, along the Rio Grande and Colorado Rivers, to southern California; a report on Indian tribes of the Southwest is ineluded in pt. 3 (Serials 760 and 793)