McManis, Douglas R. <br/><br/>
The initial evaluation and utilization of the Illinois prairies, 1815-1840, / 
Douglas R McManis. 
 - Chicago :  University of Chicago, Dept. of Geography,  c1964. 
 - ix, 109 p.  illus., maps.  23 cm. 
<br/><br/>Bibliography: p. 96-109. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land settlement--Illinois.<br/>Prairies--Illinois.
<br/><br/><label>Dewey Class. No.: </label>333.7  / MCI 1964