Download or read book Roadside Geology of South Dakota written by John Paul Gries and published by Roadside Geology. This book was released on 1996 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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