[Vol. 4] consists wholly of folded maps and folded profiles.
v. 1. [Letter of transmittal, by Jefferson Davis, Feb. 27, 1855] [report] I. Examination by Captain A.A. Humphreys, topographical engineers, of the reports of the explorations to determine the most practical and economical route for a railroad from the Mississippi River to the Pacific Ocean. [report] II. Memoranda by Captain George B. McClellan, Corps of engineers, upon some practical points connected with the construction and working of railways. [report] III. Letter of Major Gen. Jesup, quartermaster general, U.S.A., upon the cost of transporting troops and supplies to California, Oregon, New Mexico, &c. [report] IV. Report of Governor I.I. Stevens upon the route near the 47th parallel.--v. 2. [report] V. Report of Lieutenant E.G. Beckwith, 3d regiment of artillery, upon the routes near the 41st and 38th parallels. [report] VI. Report of Lieutenant A.W. Whipple, topographical engineers, upon the route near the 35th parallel. [report] VII. Report of Captain John Pope, topographical engineers, upon that portion of the route near the 32d parallel from Preston to the Rio Grande.--v. 3. [report] VIII. Report of Lieutenant John G. Parke, topographical engineers, upon that portion of the route near the 32d parallel from the Rio Grande to the Gila
Cont'd. [report] X. Report of Lieutenant R.S. Williamson, topographical engineers, of explorations in California in connexion with the routes near the 35th and 32d parallels. Also, The report of F.W. Lander, civil engineer, of a survey of a railroad route from Puget's Sound, by Fort Hall and the Great Salt Lake, to the Mississippi River.--Maps and profiles (vol. 4) [no. 1] Preliminary sketch of the northern Pacific railroad [route] from St. Paul to Riviere des Lacs, made in 1853-4, by I.I. Stevens. [2] Preliminary sketch of the northern Pacific railroad exploration and survey from Riviere des Lacs to the Rocky Mountains, made in 1853, by I.I. Stevens. [3] Preliminary sketch of the northern Pacific railroad exploration and survey from the Rocky Mountains to Puget Sound, made in 1853-4, by I.I. Stevens. [4] Skeleton map exhibiting the route explored by Capt. J.W. Gunnison, U.S.A., (1853) and Lieut. E.G. Beckwith (1854) Drawn by E.W. Egloffstein. [5] Rocky Mountains. General profile from Westport, near the western border of ... Missouri, to the Sevier River. [6-7] map no. 1-[2] Reconnaissance and survey of railroad route from Mississippi River, near the 35th parallel, north lat., to the Pacific Ocean ... by Lieut. A.W. Whipple, assisted by Lieut. J.C. Ives and A.H. Campbell, 1853-4
Cont'd. [8] Route from San Pedro, on the Pacific coast, to Memphis, on the Mississippi River, via New Mexico. Lower profile, wagon route; upper profile, railway route. [9] Map of survey of a route for the Pacific railroad near the 32d parallel, between the Rio Grande & Red River, made ... by Capt. John Pope [and] Lieut. K. Garrard. Drawn by Theo. H. Ochlschlager. [10] Route of survey from Pimas villages on the Rio-Gila to Mesilla, on the Rio-Bravo [for] railroad from the Mississippi River to the Pacific Ocean through that region, made by Lieut. Jno. G. Parke, 1854. Drawn by H. Custer. [11] Profile of route from Pimas villages on the Rio-Gila to Mesilla, on the Rio-Bravo. 1854. [12] General map of a survey in California for railroad routes to the Pacific Ocean, made by ... Lieut. R.S. Williamson, assisted by Lieut. J.G. Parke and Mr. Isaac Williams Smith. [13] Profile[s] of Walkers pass.--Hum-pah-ya-mup pass.--Tah-ee-chay-pah pass.--Summit of Tah-ee-chay-pah pass to the Tejon depot camp.--New pass.-- San Fernando pass