TO ILLUSTRATE GEOGRAPHICAL EXPLORATIONS AND SURVEYS 
UNDER THE AUTHORITY OF 
THE HOMOBA1L1 TO2 
-3 
AND THE DIRECTION OF 
BRIG. GENU A. A. H U M PH REYS, CHIEF OF ENGINEERS, U.S. ARMY. 
1-MENACING RESULTS OF Til I; DIFFERENT EXPEDITIONS UNDER THE COMMAND OF 
i s . T lieut. GEO. M. WHEELER, corps of engineers . 
jul HIS Bieii, lilli. 
