Lead and zinc deposits of Northwestern Illinois /

Bibliographic Details
Main Author:	Cox, Guy Henry
Format:	Book
Language:	English
Published:	Urbana : State Geological Survey, University of Illinois, 1914.
Series:	Bulletin (Illinois State Geological Survey) ; no. 21.
Subjects:	Lead mines and mining > Illinois. Zinc mines and mining > Illinois.

Description
Physical Description:	120 pages : illustrations