Category:Pierre Shale in Montana

Media in category "Pierre Shale in Montana"

The following 4 files are in this category, out of 4 total.

• 
  Ammonite in nodulo.jpg 547 × 492; 326 KB
  
• 
  BrokenConcretion22.jpg 1,200 × 900; 698 KB
  
• 
  Northeast Montana investigations report - resource & potential reclamation evaluation (IA northeastmontana00calc).pdf 1,147 × 1,570, 228 pages; 11.12 MB
  
• 
  Placenticeras meeki, Late Cretaceous, Pierre Shale Formation, Rosebud County, Montana, USA - Houston Museum of Natural Science - DSC01924.JPG 3,070 × 3,570; 3.99 MB