ENGINEER DEPARTMENT, U. S. ARMY. 
EXPLORATIONS ACROSS THE GREAT BASIN OF UTAH IN 1859. 
In charge of CAPT. J. H. SIMPSON, Topographical Engineers. 
REPORT 
ON THE 
BOTANY OF THE EXPEDITION. 
BY 
Dr. GEORGE ENGELMANN. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1 876 . 
