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Douglas C. Allen
Identifiers
Open Library
OL1233646A
Top Subjects
Sugar maple (2)
Conservation of natural resources (1)
Economic aspects (1)
Grants-in-aid (1)
Students (1)
Massachusetts (1)
Harvard University. Graduate School of Design (1)
Books by Douglas C. Allen
Total count: 5
Conservation and state subsidies
an analysis of the Massachusetts self help program
Harvard University, Graduate School of Design
1976-01-01
Introduction to forest entomology
a training manual for forest technicians
1st ed.
Syracuse University Press
1984-01-01
Principles of forest entomology
laboratory manual
Syracuse University Press
1984-01-01
Sugarbush management
a guide to maintaining tree health
Northeastern Forest Experiment Station
1990-01-01
North American maple project
seven year report
Canadian Forest Service
1995-01-01
