EXPLORATIONS AND SURVEYS FOR A RAILROAD ROUTE FROM TJ1E MISSISSIPPI RIVER TO THE PACIFIC OCEAN. 



WAR DEPARTMENT. 



ROUTE NEAR THE THIRTY-SECOND PARALLEL, FROM THE RIO GRANDE TO THE PIMAS VILLAGES, EXPLORED 

 BY LIEUTENANT J. G. PARKE, CORPS OF TOPOGRAPHICAL ENGINEERS, 1853-54. 



ZOOLOGICAL REPORT 



WASHINGTON, D. C 

 1859. 



