Great Plains Geology

R. F. Diffendal Jr. is professor emeritus in the School of Natural Resources at the University of Nebraska–Lincoln. He is the author of Lewis and Clark and the Geology of the Great Plains.

List of Illustrations    
Preface    
Acknowledgments    
Introduction    
1. What Is the Great Plains?     
2. Geologic History of the Great Plains    
3. Visiting the Great Plains    
Sites in Canada    
Site 1. Head-Smashed-In Buffalo Jump, Alberta    
Site 2. Dinosaur Provincial Park, Alberta    
Site 3. Cypress Hills Interprovincial Park, Alberta and Saskatchewan    
Site 4. T. rex Discovery Centre, Saskatchewan    
Site 5. Grasslands National Park, Saskatchewan    
Sites in the United States
Montana
Site 6. Giant Springs State Park    
Site 7. Upper Missouri Breaks National Monument    
Site 8. Pompeys Pillar National Monument    
Site 9. Little Bighorn Battlefield National Monument    
Site 10. Judith Mountains    
North Dakota
Site 11. Theodore Roosevelt National Park    
Site 12. Fort Union Trading Post National Historic Site    
South Dakota
Site 13. Slim Buttes    
Site 14. Badlands National Park    
Site 15. Mount Rushmore National Memorial    
Site 16. Wind Cave National Park    
Site 17. Jewel Cave National Monument        
Site 18. Hot Springs Mammoth Site    
Site 19. Petrified Forest, Black Hills    
Site 20. Big Bend of the Missouri River    
Wyoming
Site 21. Devils Tower National Monument    
Site 22. Pine Bluffs Archaeological Site    
Nebraska
Site 23. Toadstool Geological Park    
Site 24. Hudson-Meng Bison Kill Research Center    
Site 25. Pine Ridge    
Site 26. Agate Fossil Beds National Monument    
Site 27. Scotts Bluff National Monument    
Site 28. Chimney Rock National Historic Site    
Site 29. Courthouse and Jail Rocks    
Site 30. Ash Hollow State Historical Park    
Site 31. Sand Hills Region    
Site 32. Snake River Falls    
Site 33. Fort Falls and Fort Niobrara National Wildlife Refuge    
Site 34. Ashfall Fossil Beds State Historical Park    
Site 35. Niobrara State Park    
Site 36. Harlan County Lake    
Kansas
Site 37. Monument Rocks    
Site 38. Castle Rock    
Colorado
Site 39. Castle Rock    
Site 40. Section Boundary, Raton/Colorado Piedmont    
Site 41. Comanche National Grassland    
Site 42. El Huerfano    
Site 43. Spanish Peaks    
New Mexico
Site 44. Raton Pass    
Site 45. Sugarite Canyon State Park    
Site 46. Capulin Volcano National Monument    
Site 47. Clayton Lake State Park    
Site 48. Section Boundary, Raton/Pecos Valley    
Site 49. Carlsbad Caverns National Park    
Site 50. Blackwater Draw Clovis Culture Site    
Texas
Site 51. Guadalupe Mountains National Park    
Site 52. Llano Estacado Escarpment    
Site 53. Enchanted Rocks State Park    
Site 54. Gault Archaeological Site    
Site 55. Balcones Fault Zone    
Site 56. Confluence of Pecos River and Rio Grande    
Site 57. Seminole Canyon State Park    
Afterword    
Appendix 1. Geologic Subdivisions of the Great Plains    
Appendix 2. Chronology of the Development of Some Geological Concepts    
Appendix 3. Cautions for Travelers on the Great Plains    
Glossary    
Bibliography    
Index