Geological aspects of prospecting : and areas for prospecting in the zinc-lead district of northwestern Illinois /

Bibliographic Details
Main Author:	Willman, H. B. (Harold Bowen), 1901-1955
Other Authors:	Reynolds, Robert Ramon, Herbert, Paul
Format:	Book
Language:	English
Published:	Urbana, Ill., [publisher not identified] ; 1946.
Series:	Report of investigations (Illinois State Geological Survey) ; no. 116.
Subjects:	Zinc mines and mining > Illinois. Geology > Illinois. Prospecting.

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