Search results for: Gerhold, Henry D.
Showing 1 - 9 results of 9
Refine Results
-
1
Effect of air pollution on Pinus strobus L. and genetic resistance : a literature review
Authors: Gerhold, Henry D.
Published: Environmental Protection Agency, Office of Research and Development, Corvallis Research Laboratory ; For sale by National Technical Information Service, 1977Physical Description: v, 45 pages ; 28 cm.Holdings: Loading…
Government Document Book Loading… -
2
Our heritage of community trees
Authors: Gerhold, Henry D.
Published: Pennsylvania Urban & Community Forestry Council, 2002Physical Description: iv, 73 pages : illustrations ; 22 cmHoldings: Loading…
Book Loading… -
3
A century of forest resources education at Penn State : serving our forests, waters, wildlife, and wood industries
Authors: Gerhold, Henry D.
Published: Pennsylvania State University Press, 2007Physical Description: xii, 280 pages : illustrations, maps ; 24 cmHoldings: Loading…
Book Loading… -
4
A forester's legacy : the life of Joseph E. Ibberson, forester, tree farmer, philanthropist
Authors: Gerhold, Henry D.
Published: Pennsylvania Forestry Association/Stackpole Books, 2007Physical Description: viii, 200 pages : illustrations (chiefly color), map ; 24 cmHoldings: Loading…
Book Loading… -
5
Genetic evaluation of rapid height growth in pot- and nursery-grown Scotch pine
Authors: Demeritt, Maurice E., Gerhold, Henry D.
Published: United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1985Physical Description: 1 microfiche (11 pages) : negative, illustrations, 1 map ; 11 x 15 cm.Holdings: Loading…
Government Document Microfilm Book Loading… -
6
Genetic evaluation of rapid height growth in pot- and nursery-grown Scotch pine
Authors: Demeritt, Maurice E., Gerhold, Henry D.
Published: United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1985Physical Description: 1 online resource (11 pages) : illustrations, 1 map.Holdings: Loading…Connect to online resource - All users (Federal Depository Library Program Persistant URL)
Government Document Electronic eBook -
7
Breeding pest-resistant trees ; proceedings
Published: Symposium Publications Division, Pergamon Press, 1966Other Authors: “…Gerhold, Henry D.…”
Physical Description: ix, 505 pages : illustrations, group portraits ; 26 cmHoldings: Loading…
Conference Proceeding Book Loading… -
8
Better Trees for Metropolitan Landscapes : proceedings of the symposium held on 4-6 November 1975, at the U.S. National Arboretum, Washington, D.C.
Published: [Department of Agriculture, Forest Service, Northeastern Forest Experiment Station] ; [for sale by the Supt. of Docs., U.S. Govt. Print. Off], 1976Other Authors:Physical Description: 256 pages : illustrations, graphs ; 26 cm.Holdings: Loading…
Government Document Conference Proceeding Book Loading… -
9
Street tree factsheets
Published: School of Forest Resources, Pennsylvania State University, 1993Other Authors: “…Gerhold, Henry D.…”
Physical Description: 1 volume (various pagings) : color illustrations ; 28 cmHoldings: Loading…
Book Loading…