Aerial assessment of red spruce & balsam fir condition in the Adirondack region of New York, the Green Mountains of Vermont, the White Mountains of New Hampshire, and the mountains...

by Miller-Weeks, Margaret M.
Published: Forest Health Protection, U.S. Dept. of Agriculture, Forest Service, 1993

Symptomatology & trend of tree condition of red spruce & balsam fir in New York, Vermont, New Hampshire, Massachusetts & West Virginia, 1985-1989

Published: U.S. Dept. of Agriculture, Forest Service, Northeastern Area, 1994