Books by Jerry L. Oltman:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Oltman, Jerry L.: Hand drilling and breaking rock for wilderness trail maintenance (U.S. Dept. of Agriculture, Forest Service, Equipment Development Center, 1984), also by Dale Mrkich (page images at HathiTrust)- Oltman, Jerry L.: Practices and problems in trail maintenance and construction : ED&T 2103, trail crew support equipment (USDA, Forest Service, Equipment Development Center, 1972), also by Missoula United States. Forest Service. Equipment Development Center (page images at HathiTrust)
- Oltman, Jerry L.: A survey of motorcycle use in the Forest Service (United States Dept. of Agriculture, Forest Service, Equipment Development Center, 1986), also by Jon J. Driessen and Mont.) Equipment Development Center (Missoula (page images at HathiTrust)
Find more by Jerry L. Oltman at your library, or elsewhere.