EXPLORATIONS AND SURVEYS FOR A RAILROAD ROUTE PROM THE MISSISSIPPI RIVER TO THE PACIFIC OCEAN. 



WAR DEPARTMENT. 



EOUTE KEAR THE THIRTY-FIFTH PARALLEL, EXPLORED BY LIEUTENANT A. W. WHIPPLE, TOPOGRAPHICAL 



ENGINEERS, m 1853 AUD 1854. 



ZOOLOGICAL REPORT. 



WASHINGTON, D. C. 

 1859. 



