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Recent research on foliage diseases : conference proceedings : Carlisle, Pennsylvania, May 29-June 2, 1989
Criteria for deciding about forestry research programs
Incense-cedar : an American wood
Ponderosa pine
Geometroid caterpillars of northeastern and Appalachian forests
A Job with the Forest Service : information about permanent and temporary jobs with the U. S. Forest Service
Phoradendron on conifers
Distribution and migration of North American shorebirds
The control of weeds
The home preparation of fruit candy