Roadside Geology of NebraskaTable of Contents | |
| Geologic Summary of Nebraska | 1 |
| Geologic Time | 4 |
| Understanding Sedimentary Rocks | 5 |
| Defining Rock Units | 7 |
| Gaps in the Record | 8 |
| Fossil Formation | 10 |
| Precambrian Time | 11 |
| Paleozoic Time | 15 |
| Cambrian through Devonian Subsurface Rocks | 17 |
| Late Paleozoic Arches and Basins | 18 |
| Oscillating Seas of Pennsylvanian and Permian Time | 18 |
| Late Paleozoic Life | 24 |
| Shallow Marine Communities | 24 |
| Fossils from the Black Shales | 30 |
| Freshwater and Terrestrial Communities | 32 |
| Cretaceous Time | 33 |
| Cretaceous Stratigraphic Units | 35 |
| Western Interior Seaway | 39 |
| Life in the Seas and Along the Coast | 41 |
| Tertiary Time | 43 |
| Tertiary Sediments | 44 |
| Mammals and Other Life | 51 |
| Intercontinental Exchange via Land Bridges | 58 |
| Pliocene-Pleistocene Gravels | 60 |
| Quaternary Geology and the Modern Landscape | 61 |
| Ice and the Missouri River Valley | 62 |
| Where Did All the Mammoths Go? | 65 |
| Dust of the Plains | 67 |
| The Sand Hills | 70 |
| Ground Water | 75 |
| Rivers Running Amok | 76 |
| Road Guides | |
| Interstate 80: Omaha - Wyoming | 80 |
| Schramm Park State Recreation Area | 81 |
| University of Nebraska State Museum | 86 |
| US 6: Arapahoe - Colorado | 99 |
| US 20: US 275 - Valentine | 101 |
| US 20: Valentine - Wyoming | 103 |
| Toadstool Geologic Park | 109 |
| Hudson-Meng Bone Bed | 116 |
| US 26: Ogallala - Wyoming | 121 |
| Ash Hollow State Historical Park | 125 |
| US 75: Omaha - South Sioux City | 139 |
| US 75: Omaha - Kansas | 144 |
| Indian Cave State Park | 149 |
| US 83: North Platte - Valentine | 152 |
| US 136: Missouri - Arapahoe | 159 |
| US 275: Omaha - US 20 | 169 |
| Ashfall Fossil Beds State Historical Park | 173 |
| US 281: Red Cloud - Spencer | 177 |
| Scotia Chalk Mine | 184 |
| US 385: Alliance - Chadron | 193 |
| Nebraska 2: Grand Island - Alliance | 197 |
| Nebraska 12: South Sioux City - Valentine | 204 |
| Ponca State Park | 205 |
| Niobrara State Park | 211 |
| Fort Niobrara National Wildlife Refuge | 225 |
| Nebraska 29: Scottsbluff - Harrison | 227 |
| Agate Fossil Beds National Monument | 231 |
| Nebraska 71: Kimball - Scottsbluff | 235 |
| Scotts Bluff National Monument | 240 |
| Glossary | 247 |
| Suggested Reading and Further References | 251 |
| Websites with Information on Nebraska Geology | 255 |
| Index | 257 |
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