An Atlas of Spruce Budworm Defoliation in Eastern North America, 1938-80Views: 90Downloads: 4 No ratings yet Download Document >>
Katahdin Region, Map No. 3 (1940)Problem Addressed: Sketch map of the Katahdin TrailsViews: 237Downloads: 0 No ratings yet Download Document >>
Spruce Budworm Proliferation Map, Quebec 1942-1948Views: 449Downloads: 0 No ratings yet Download Document >>
Progression of Spruce Budworm Outbreak Through 1942-49Views: 342Downloads: 0 No ratings yet Download Document >>