Category:Niobrara Formation

Subcategories

This category has the following 8 subcategories, out of 8 total.

Media in category "Niobrara Formation"

The following 21 files are in this category, out of 21 total.

• 
  Annual distribution of Niobrara production (14172897020).png 480 × 291; 11 KB
  
• 
  Annual report of the Regents - New York State Museum. (1908) (19340231256).jpg 2,586 × 716; 351 KB
  
• 
  Castle Rock, Kansas, on the Smoky Hill, 385 miles west of Missouri River. (Boston Public Library).jpg 1,500 × 1,006; 187 KB
  
• 
  Chalk badlands (Niobrara Formation, Upper Cretaceous; chalk bluffs south of Castle Rock, Gove County, Kansas, USA) 18 (38245501095).jpg 4,288 × 2,419; 4.88 MB
  
• 
  Chalk badlands (Niobrara Formation, Upper Cretaceous; chalk bluffs south of Castle Rock, Gove County, Kansas, USA) 7 (38417957134).jpg 4,278 × 2,451; 4.57 MB
  
• 
  Daptinus holotype.jpg 1,168 × 1,206; 494 KB
  
• 
  Dark chalk of the Smoky Hill Member of the Niobrara Formation (Upper Cretaceous), Oacoma, South Dakota. (8483478227).jpg 4,288 × 2,848; 6.48 MB
  
• 
  KansasPopRock1.jpg 1,080 × 718; 1.33 MB
  
• 
  KansasPopRock2.jpg 1,080 × 718; 1.42 MB
  
• 
  Monument Rocks (5758067981).jpg 1,600 × 1,067; 399 KB
  
• 
  Monument Rocks (5758612890).jpg 1,600 × 1,129; 386 KB
  
• 
  Natural gas production in selected regions (Jan 2012-June 2015) (19699028364).png 575 × 287; 37 KB
  
• 
  Niobrara, opalized, Ellis County 20180915 110441.jpg 2,249 × 1,776; 1.11 MB
  
• 
  Niobrara, opalized, Ellis County 20180915 110448.jpg 4,032 × 2,268; 3.66 MB
  
• 
  Ogallala opaline sandstone with weathered silcrete 20201115 195900.jpg 2,195 × 2,000; 1.19 MB
  
• 
  Pseudoperna congesta fossil osyters encrusting a Platyceramus platinus shell.jpg 4,000 × 3,000; 3.79 MB
  
• 
  Southwestern Wyoming Upper Cretaceous Unit cross section.jpg 1,122 × 783; 136 KB
  
• 
  The sea which once covered the plains.jpg 1,142 × 791; 313 KB
  
• 
  U.S. natural gas production (January 2007 - July 2018) (29385736687).png 576 × 290; 32 KB
  
• 
  Uintacrinus socialis fossil crinoids in chalk (Niobrara Formation, Upper Cretaceous; western Kansas, USA) 9 (15115469629).jpg 4,000 × 3,000; 6.1 MB
  
• 
  United States Shale gas plays, May 2011.pdf 1,650 × 1,275; 386 KB