Books by Robert Bruce Doerr:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Doerr, Robert Bruce, 1946-: Landscape planting species survival : final report (s.n.], 1971), also by Leonard Mark Murphy, Lawrence Eugene Foote, Minnesota Local Road Research Board, United States Federal Highway Administration, and Minnesota. Dept. of Highways (page images at HathiTrust; US access only)
Find more by Robert Bruce Doerr at your library, or elsewhere.