Roadside Geology of South Dakota
, by Gries, John Paul- ISBN: 9780878423385 | 0878423389
- Cover: Paperback
- Copyright: 5/1/1996
This book gracefully ties the glaciated eastern half of the state, where artesian wells flow with water that fell as precipitation in the Black Hills, with the arid western half, where sedimentary layers contain fossilized sea creatures. South Dakota fil