English

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

12 volumes in 13, leaves of plates : 30 cm · Printer varies between House and Senate issues, and over time. For example, Beverley Tucker is printer of volume 1 in Senate issue · See Wagner-Camp. Plains & the Rockies (1982, 4th edition) for detailed information on pagination, collation and contents of the individual volumes · Volumes 1-11 were issued in the Congressional series of U.S. public documents as 33d Congress, 2nd session. House ex. doc. 91, and also as Senate ex. doc. 78. Volume 11 was also issued (1861) as 36th Congress, 2nd session. Senate ex. doc. [no number] · Supplement to volume 1 was issued in at least three forms: Supplement to volume 1, 1859, W.A. Harris, printer, as 35th Congress, 2nd session. Senate ex. doc. 46 [and] Volume 12, part 1-2, 1860: T.H. Ford, printer, as 36th Congress, 1st session. House ex. doc. 56, and Senate ex. doc. [no number] · The reports of the Pacific railroad surveys were prepared under the direct supervision of the Engineer Department. The volumes dealing with the soil, climate, geology, botany and zoology of the regions surveyed were edited and revised by Professors Henry and Baird of the Smithsonian institution. See Ingersoll, History of