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| Acknowledgments | |
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| Preface | |
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| Show Me the Geology | |
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| Understanding the Earth | |
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| Plate Tectonics | |
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| Getting Down to Bedrock | |
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| Sedimentary Rocks | |
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| Geologic Structures in Bedrock | |
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| Geologic Time | |
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| The Geologic Story of Missouri | |
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| Proterozoic Eon: 2.5 billion to 542 million years ago | |
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| Paleozoic Era: 542 to 251 million years ago | |
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| Cambrian and Ordovician Time | |
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| Silurian and Devonian Time | |
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| Mississippian, Pennsylvanian, and Permian Time | |
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| Folds and Faults in Paleozoic Rocks | |
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| The Thirty-Eighth Parallel Lineament | |
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| Get the Lead (and Zinc) Out! | |
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| Mesozoic Era: 251 to 65 Million Years Ago | |
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| Cenozoic Era: 65 Million Years Ago to the Present | |
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| Paleogene and Neogene Time | |
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| Quaternary Time and the Pleistocene Ice Age | |
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| Caves, Springs, and Sinkholes | |
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| A Tale of Two Rivers | |
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| Harnessing the Mighty Mississippi | |
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| Narrowing the Wide Missouri | |
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| The Glaciated Plains | |
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| Drainage Patterns, Then and Now | |
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| Road Guides in the Glaciated Plains | |
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| St. Louis Metropolitan Area | |
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| Interstate 29: Iowa Border-Kansas City | |
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| Interstate 35: Iowa Border-Kansas City | |
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| Interstate 70: Columbia-Missouri River at St. Louis | |
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| US 36: St. Joseph-Hannibal | |
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| US 61: Alexandria-Hannibal | |
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| US 61: Hannibal-Missouri River at St. Louis | |
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| US 63: Iowa Border-Jefferson City | |
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| The Osage Plains and Springfield Plateau | |
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| The Southern Edge of the Ice | |
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| Road Guides in the Osage Plains and Springfield Plateau | |
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| Kansas City Metropolitan Area | |
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| Interstate 44: Oklahoma Border-Northview | |
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| Interstate 70: Kansas City-Columbia | |
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| US 50: Kansas City-Sedalia | |
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| US 54: Kansas Border-Preston | |
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| US 65: Springfield-Arkansas Border | |
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| US 71: Harrisonville-Arkansas Border | |
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| The Ozarks and the St. Francois Mountains | |
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| Filled-Sink Structures | |
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| Meandering Valleys in the Ozarks | |
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| Caldera Eruptions of the St. Francois Mountains | |
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| Volcanic Rocks | |
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| Granitic Rocks | |
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| Skrainka Diabase | |
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| Fault-Bound Basins and the Great Unconformity | |
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| Road Guides in the Ozarks and the St. Francois Mountains | |
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| Interstate 44: Northview-Rolla | |
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| Interstate 44: Rolla-St. Louis | |
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| Interstate 55: St. Louis-Cape Girardeau | |
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| US 50: Sedalia-Jefferson City | |
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| US 50: Jefferson City-Interstate 44 | |
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| US 54: Preston-Jefferson City | |
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| US 60: Poplar Bluff-Springfield | |
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| US 63: Jefferson City-Cabool | |
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| US 65: Sedalia-Springfield | |
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| US 67: Festus-Poplar Bluff | |
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| Arcadia Valley Loop through the St. Francois Mountains | |
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| The Southeast Lowlands | |
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| New Madrid Earthquakes of 1811-1812 | |
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| Sand Boils, Sand Blows, and Sand Fissures | |
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| Could It Happen Again? | |
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| Road Guides in the Southeast Lowlands | |
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| Interstate 55: Cape Girardeau-Arkansas Border | |
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| US 60/Interstate 57: Illinois Border-Poplar Bluff | |
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| Glossary | |
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| References | |
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| Index | |