Investigations of zinc and lead resources of northwestern Illinois: preliminary report on structure of Black Jack area, Jo Daviess County, Illinois

Call Number: 
MS Willman, H.B. #9 A
Author: 
Willman, Harold B., R.R. Reynolds
Date: 
1943
Description: 
22 p. : 4 plate
Notes: 

Evaluates use of surface geology in locating areas structurally favorable for occurrence of zinc and lead ores
Contains structure maps of "oil-rock" and Galena chert

Keywords: 

Zinc and Lead--Illinois--Jo Daviess County

Added Entries: 

Reynolds, R.R.

 

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