Map Showing Distribution of Underground Water In The Dakota and Underlying Sandstones In The Northern Half Of The Black Hills Region In South Dakota and Wyoming.
He was a contributor to many streams of science at the time, and had a strong body of cartographic work that focuses on the West and the Great Plains. Here his hydrogeological work for this portion of eastern Wyoming and the Black Hills area of South Dakota.
Condition is very good. Image size is approximately 25.5 x 18 (inches)