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      A Subsurface Study of the St. Peter Sandstone in Southern and Eastern Wisconsin- 
  
  A Subsurface Study of the St. Peter Sandstone in Southern and Eastern Wisconsin1985 Report: 26 p. + maps (scale 1:750,000) 
 
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      Field Trip Guidebook for Cambrian-Ordovician Geology of Western WisconsinWith special papers: Lithologic Cycles in Lower Paleozoic Rocks of Western Wisconsin, M.E. Ostrom; and Lithostratigraphy of the Prairie du Chien Group, R.A. Davis, Jr.
 
      
       
      
       
      
      