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