404 K. H. DARTOX PALEOZOIC AND MESOZOIC OF WYOMING 



I'age 



Wind Rivei' monutaius 415 



Rattlesnake mountains 415 



North Platte basin and southward 41G 



Embar formation 41G 



General relations 41(j 



Owl Creek uplift 41G 



Wind River mountains and eastward 417 



Fossils and age 418 



Casper formation 418 



Name and general relations 418 



Casper to Le Bonte creek 419 



Bates creek to Sybille creek 420 



Shirley -Freezeout uplifts 420 



Laramie basin 421 



East slope of Laramie mountains 424 



Fossils 428 



Correlation 430 



Forelle limestone and Satanka shale 430 



Permian-Triassic ? 432 



Chugwater Red beds 432 



General relations 432 



Wind River uplift 432 



Owl Creek uplift 432 



Rattlesnake mountains 433 



Casper-Douglas-BIedicine Bow region 433 



Laramie basin 435 



East side of Laramie mountains 437 



Fossils and age 438 



Jurassic system 438 



Sundance formation 438 



General relations 438 



Owl Creek uplift 438 



Wind River-Rattlesnake mountains 439 



Platte valley to Rock river 440 



Bast of Laramie mountains 441 



Fossils and equivalency 442 



Cretaceous system 442 



Morrison formation 442 



General relations 442 



Wind River-Owl Creek region 443 



Casper-Douglas-Medicine Bow region 444 



Laramie basin 445 



East of Laramie mountains 446 



Fossils and age 446 



Cloverly sandstone 477 



Occurrence and general character 477 



Owl Creek mountains 477 



Wind River-Rattlesnake mountains 448 



Casper-Douglas-Mediclne Bow region 448 



