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040			_aDLC _cScU _dOCoLC _dICarbS _dDLC
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050	0	0	_aF593 _b.U58
110	1		_aUnited States. _bWar Department.
245	1	0	_aReports of explorations and surveys, _bto ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean. _cMade under the direction of the secretary of war, in 1853-[6] ...
260			_aWashington, _bA.O.P. Nicholson, Printer [etc.] _c1855-60.
300			_a12 v. in 13. _bplates (part col., part fold.) maps (part fold.) _c30 x 24 cm.
500			_aVols. I-XI were issued in the Congressional series of U.S. public documents as 33d Cong., 2d sess. House ex. doc. 91, and also as Senate ex. doc. 78. Vol. XI was issued also (1861) as 36th Cong., 2d sess. Senate ex. doc. [no number]
500			_aSupplement to vol. I (the material of which was published also in vol. XII, book I and book II) was issued in at least three forms: Supplement to vol. I, 1859, W.A. Harris, printer, as 35th Cong., 2d sess. Senate ex. doc. 46--Vol. XII, book I-II, 1860, T.H. Ford, printer, as 36th Cong., 1st sess. House ex. doc. 56, and Senate ex. doc. [no number]
500			_aThe 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. cf. Ingersoll, Hist. of the War Department. 1879, p. 292-293.
500			_aFor further information concerning the publication of the work and a list of serial numbers assigned to the volumes in the Congressional series of documents, see Checklist of United States public documents, 1911, p. 1274-1275.
650		0	_aPacific railroads _xExplorations and surveys.
651		0	_aWest (U.S.) _xDescription and travel.
651		0	_aUnited States _xDiscovery and exploration.
650		0	_aNatural history _zWest (U.S.)
650		0	_aIndians of North America _zWest (U.S.)
700	1		_aHenry, Joseph, _d1797-1878.
700	1		_aBaird, Spencer Fullerton, _d1823-1887.
710	1		_aUnited States. _bArmy. _bCorps of Engineers.
999			_c52191 _d52191