Explore Books on
red spruce decline
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View Mortality of spruce and fir in Maine in 1976-78 due to the spruce budworm outbreak By Donald W. Seegrist
Mortality of spruce and fir in Maine in 1976-78 due to the spruce budworm outbreak
Mortality of spruce and fir in Maine in 1976-78 due to the spruce budworm outbreak
By Donald W. Seegrist
View Ecology and decline of red spruce in the eastern United States By Mary Beth Adams 
Ecology and decline of red spruce in the eastern United States
By Mary Beth Adams
View On the trail of the vanishing spruce By D. S. Jeffers 
On the trail of the vanishing spruce
By D. S. Jeffers
View Root vitality and the decline of red spruce By Philip M. Wargo
Root vitality and the decline of red spruce
Root vitality and the decline of red spruce
By Philip M. Wargo