Books by B. Nathan Key:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Key, B. Nathan: A Borehole gamma-ray spectrometer for uranium exploration (Grand Junction, Colorado : U.S. Department of Energy, 1978., 1978), also by David C. George, Mark A. Mathews, Daniel L. Ward, James W. Allen, Hilton B. Evans, United States. Department of Energy. Grand Junction Office, and Bendix Field Engineering Corporation. Grand Junction Operations (page images at HathiTrust)
Find more by B. Nathan Key at your library, or elsewhere.