[024-89] The Fishing Industry of the Illinois River
The Fishing Industry of the Illinois River Author: Thompson, David H.
[024-88] A Few Remarks on Conservation in the Illinois River Valley
A Few Remarks on Conservation in the Illinois River Valley Author: Bradford, Ralph F.
[024-87] Illinois River Sanitation
Illinois River Sanitation Author: Greeley, Samuel A.
[024-86] Pollution Studies of Illinois River
Pollution Studies of Illinois River Authors: Buswell, A.M. and Boruff, C.S.