Purgatoire Formation
Top View
- Geology and Ou Lind Gas Prospects in Part of Eaetem
- Cretaceous Plants from Southwestern Colorado
- Dakota Group in Northern Front Range Foothills, Colorado
- Paleontological Technical Report: Cdot Project Nh 0242-040 , Us Highway 24 West Corridor, Manitou Springs to Interstate 25, El Paso County, Colorado
- Pre-Dakota Cretaceous Formations of Northwestern Texas and Northeastern New Mexico John P
- Uranium Content of Ground and Surface Waters in a Part of the Central Great Plains
- “BILL” A. COBBAN ______Neal L
- Paleontological Resource Overview of the Royal Gorge Field Office Planning Area
- The Early Cretaceous Clayton Lake Dinosaur Tracksite, Northeastern New Mexico
- Geology of the Huerfano Park Area Huerfano and Custer Counties Colorado