- 
    
      Report on Lead and Zinc Deposits of Wisconsin, with an Atlas of Detailed Geologic and Topographic Maps of Southwestern Wisconsin- 
  
  Report on the Lead and Zinc Deposits of Wisconsin With an Atlas of Detailed Maps1906 Report: 100 p. + 6 maps (scale 4 I = 1 mile) 
- 
  
  Mineral Point Sheet of the Lead and Zinc District [topography] [plate 5]1906 Map: Scale 4 in = 1 mile 
- 
  
  Platteville Sheet of the Lead and Zinc District [topography] [plate 9]1906 Map: Scale 4 in = 1 mile 
- 16 more...
 
- 
  
  
 
      
       
      
       
      
       
      
       
      
       
      
       
      
       
      
       
      
       
      
       
      
       
      
       
      
      