Reports of explorations and surveys to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean

I. Introduction. Route near the 47th and 49th parallels

II. Routes near 38th and 39th, 41st, and 32d parallels. Landers's report

III-IV. Route near the 35th parallel

V. Routes in California to connect with those near the 35th and 32d parallels

VI. Routes in Oregon and California

VII. Route in California to connect with those near the 35th and 32d parallels. Route between the Rio Grande and Pimas villages

VIII. Mammals of the several routes

IX. Birds of the several routes

X. Reptiles and fishes of the several routes ; Zoological reports on routes near 38th and 39th, 41st 35th and 32d parallels ; On routes in California to connect with those near 35th and 32d parallels ; Reptiles of routes in California and Oregon

XI. Material used and methods employed in compiling the general map ; [Topographical maps, etc.]

XII. Route near the 47th and 49th parallels (concluded).

v. 1. Report of the Sec. of War. Examination of the routes. Memoranda on railways. Report of Gen. Jesup

v. 1 suppl. Suppl. report by I.I. Stevens ... route near the 47th and 49th parallels

v. 2. Reports on routes near the 38th and 39th, 41st, and 32nd parallels. Report of a reconnaissance from Puget Sound

v. 3-4. Report of A.W. Whipple ... route near the 35th parallel

v. 5. Report of R.S. Williamson ... routes in California to connect with the routes near the 35th and 32nd parallels

v. 6. Report of Henry L. Abbot ... routes in Oregon and Calif.

v. 7. Report ... from San Francisco Bay to Los Angeles, Calif. ... and from the Pimas villages on the Gila to the Rio Grande. Conclusion of the official review of the reports

v. 8-10. Zoology (pts. 1-3)

v. 11. Letter of A.A. Humphreys. Memoir of G.K. Warren ... upon ... compiling the general map. Topographical maps, profiles and sketches

v. 12, bk. 1. pt. 1 and the appendices of the narrative and final report by Isaac I. Stevens ... route near the 47th and 49th parallels

v. 12, bk 2. Pts. 2 and 3 of the narrative and final report by Isaac I. Stevens ...