Roadside Geology of South Dakota

Learn about the Geology of South Dakota with maps, photos and expert descriptions! This 6"x9" paperback has 368 pages that are packed with detailed information about South Dakota Geology. See table of contents below.

Roadside Geology of South DakotaTable of Contents

Introduction 1
Rocks to Soil to Sediment7
Rocks and Landscapes East of the Missouri River 11
Ancient Rocks11
The Glacial Period11
Glacial Deposits12
Glacial History14
The Glacial Sequence in Eastern South Dakota15
Glaciers Move the Rivers16
Major Topographic Features of the Glaciated Area19
Road Logs East of the Missouri River 22
I-29: Sioux City, Iowa - North Dakota Line22
I-90: Minnesota Line - Missouri River29
US 12: Big Stone City - Mobridge38
US 14: Minnesota Like - Pierre48
US 18: Iowa Line - Missouri River56
US 81: Yankton - Watertown60
US 83: Pierre - North Dakota Line66
US 212: Minnesota Line - Missouri River68
US 281: Nebraska Line - North Dakota Line72
SD 34: Pipestone, Minnesota - Pierre77
SD 50: Junction City (I-29) - Lake Andes (US 18 and US 281)87
Rocks and Landscapes West of the Missouri River 93
Some Cretaceous Formations93
The Flaming End of Cretaceous Time95
Tertiary Time96
Road Logs West of the Missouri River 100
I-90: Chamberlain - Rapid City100
US 12: Mobridge - White Butte108
US 14: Fort Pierre - I-90113
US 18: Missouri River - Maverick Junction117
US 83: Nebraska Line - Pierre127
US 85: Spearfish - North Dakota Line129
US 212: Missouri River - Wyoming Line140
SD 20: Mobridge - Montana Line149
SD 34: Fort Pierre - Sturgis159
SD 44: Interior - Rapid City165
SD 63: US 18 - North Dakota Line174
SD 73: Nebraska Line - North Dakota Line179
SD 79: Sturgis - North Dakota Line186
The Big Badlands191
SD 240: The Badlands Loop, Cactus Flat to Wall197
The Black Hills 203
Paleozoic Rocks205
Mesozoic Rocks210
Rise of the Black Hills214
The Anomalous Location of the Black Hills217
The Black Hills Landscape217
The Cretaceous Hogback218
The Red Valley220
The Limestone Plateau220
The Central Black Hills221
Gold and Silver Mining224
The Homestake Mine226
Road Logs of the Black Hills 232
I-90: Rapid City - Wyoming Line232
US 14A: Sturgis - Deadwood - Spearfish244
US 16: Rapid City - Hill City255
US 16: Hill City - Custer266
US 16: Custer - Wyoming Line267
US 16A: Keystone Wye - Iron Mountain272
US 18: Maverick Junction - Wyoming Line278
US 85: Wyoming Line - Spearfish289
US 385: Hot Springs - Pluma296
SD 44: Rapid City - US 385311
SD 79: Maverick Junction - Rapid City319
SD 87, Needles Highway: US 16 - US 16A326
SD 89: Pringle - Minnekahta Junction329
Nemo Road, Forest Service Road 2335 (Pennington County Road 234):
Rapid City - US 385
Supplemental Reading 343
About the Author 358