McManis, Douglas R. <br/><br/>
The initial evaluation and utilization of the Illinois prairies, 1815-1840 / 
by Douglas R. McManis. 
 - Dept. of Geography, Chicago, Ill. :  University of Chicago,  1964. 
 - ix, 109 p. :  ill., maps. ;  23 cm. 
 - Research paper (University of Chicago. Dept. of Geography) ;  no. 94. .
 - Research paper (University of Chicago. Dept. of Geography) ;  no. 94. .
<br/><br/>Bibliography : p. 96-109. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land settlement--Illinois.<br/>Prairies.