ENGINEER DEPARTMENT, U. S. ARMY. 



REPORT 



OF THE 



EXPLORING EXPEDITION 



FROM SANTA FE, NEW MEXICO, TO THE JUNCTION OF THE GRAND AND 

 GREEN RIVERS OF THE GREAT COLORADO OF THE WEST, 



1859, 



UNDER THE COMMAND OF 



CAPT. J. N. MACOMB, 

 CORPS OF TOPOGRAPHICAL ENGINEERS 



(NOW COLONEL OF ENGINEERS); 



GEOLOGICAL REPORT 



PROF. J. S. NEWBERRY, 



GEOLOGIST OF THE EXPEDITION. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 

 1876. 



