Books by David T. Long:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Long, David T., 1947-: Selected geochemical characteristics of ground water from the Glaciofluvial aquifer in the central Lower Peninsula of Michigan (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1996), also by M. A. Wahrer, Roger W. Lee, Geological Survey (U.S.), and National Regional Aquifer Systems Analysis Program (U.S.) (page images at HathiTrust)- Long, David T., 1947-: Selected geochemical characteristics of ground water from the Marshall aquifer in the central Lower Peninsula of Michigan (Dept. of the Interior, U.S. Geological Survey ;, 1996), also by P. B. Ging, Roger W. Lee, and Geological Survey (U.S.) (page images at HathiTrust)
- Long, David T., 1947-: Selected geochemical characteristics of ground water from the Saginaw aquifer in the central Lower Peninsula of Michigan (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1996), also by B. D. Meissner, Roger W. Lee, and Geological Survey (U.S.) (page images at HathiTrust)
Find more by David T. Long at your library, or elsewhere.