Books by Mart P. Schemel:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Schemel, Mart P.: Geology and economic resources of the Ohio River Valley in West Virginia (The Survey, 1956), also by West Virginia Geological and Economic Survey, Aureal T. Cross, and Geological Survey (U.S.) (page images at HathiTrust)
Find more by Mart P. Schemel at your library, or elsewhere.