Category:St. Peter Sandstone in Wisconsin

Media in category "St. Peter Sandstone in Wisconsin"

The following 2 files are in this category, out of 2 total.

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  Geologic Map Lake Superior MN WI MI.jpg 16,327 × 11,018; 35.93 MB
  
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  Leaning Tower of Rock (15163519427).jpg 3,960 × 2,461; 4.73 MB