Voskuil, Walter Henry,  1892- <br/><br/>
The competitive position of Illinois coal in the Illinois coal market area 
[by] Walter H. Voskuil. 
 - Urbana, Ill.,  Printed by authority of the state of Illinois,  1936. 
 - 112 p. incl. tables, diagrs.  3 fold. maps (in pocket)  25 cm. 
 - Illinois. State geological survey. Bulletin  no. 63 .
 - Bulletin (Illinois State Geological Survey) ;  no. 63. .
<br/><br/> At head of title: State of Illinois ... Department of registration and education. Division of the State geological survey. 
<br/><br/><label>LCCN: </label>gs 36000058  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal trade--Illinois.
<br/><br/><label>LC Class. No.: </label>QE105  / .A16 no. 63