Publications - WGNHS

A Very Brief History of the Wisconsin Mineral Development Atlas: General Information and Procedures Concerning Zinc-Lead Atlas

Open-file report; contains unpublished data that has not yet been peer-reviewed.
- WOFR1980-04
  
  A Very Brief History of the Wisconsin Mineral Development Atlas & General Information and Procedures Concerning Zinc-Lead Atlas
  
  Heyl, A.V.; Broughton, W.A.;
  
  1980
  
  Report: 6 p.
Mineral Exploration and Development Atlas of the Upper Mississippi Valley District

Open-file report; contains unpublished data that has not yet been peer-reviewed.
- WOFR1952-02
  
  Mineral Exploration and Development Atlas of the Upper Mississippi Valley District
  
  Tweedy, G.A.; Heyl, A.V.;
  
  1952
  
  Report: 52 p.

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