Mineral production in Illinois in 1968 /

Bibliographic Details
Main Author:	Busch, Willis L.
Corporate Author:	Illinois State Geological Survey
Format:	Book
Language:	English
Published:	Urbana : Illinois State Geological Survey, 1969.
Series:	Circular (Illinois State Geological Survey) ; 447.
Subjects:	Mines and mineral resources > Illinois.

Description
Physical Description:	21 pages : illustrations ; 25 cm.