Christopher Carson, 1847, Kit Carson, of the West James H. Carleton, 1850, Overland route to California Osborn Cross, 1850, Report of the Oregon expedition Nathaniel H. Michler, 1850, Routes, Arkansas to Santa Fe James H. Simpson, 1850, Ft. Smith to Santa Fe George A. McCall, 1851, Reports in relation to New Mexico Amiel W. Whipple, 1851, San Diego to the Colorado William H. Nobles, 1854, Speech, emigrant route to CA & OR Sherman Day, 1855, Road across the Sierra Nevada Rufus Ingalls, 1855, Report of Quartermaster General John Bartletson, 1858, Ft. Bridger to Ft. Laramie Henry Y. Hind, 1858, Ft. William to Ft. Gary Joseph E. Johnston, 1858, South boundary of Kansas Gouverneur K. Warren, 1858, Letter, explorations of Nebraska Thomas Blakiston, 1859, Exploration of Kootanie A. A. Humphreys et al., 1860, San Juan, Yellowstone, Walla Walla Joseph Dixon, 1861, Topographical memoir [Oregon] Butler Ives, 1864, Boundary, California and Nevada Territory Henry E. Maynadier, 1864, Heads of Missouri and Yellowstone Rivers Charles S. Drew, 1865, Owyhee reconnoissance in 1864