: / ; 'y : or as mE, ¢ 
( ¢ Vg & 
PRELIMINARY REPORT 
ON 
fee POREKSTRY 
OF THE 
MisslsslPe) “VALLEY, 
Ta aan TING ON THE PEAINS. 
WASHING TON: 
GOVERNMENT PRINTING OFFICE. 
7465 1883. 
