. 1980-1990 national program of research for forests and associated rangelands. --. Forests and forestry Research United States; Rangelands Research United States. Aerial view of southern pine beetle infestation. This bark beetle kills thousands of acres of pine annually in the South. 30. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Forest Service. [Washington, D. C. ?] : U. S. Dept. of Agriculture, Forest


. 1980-1990 national program of research for forests and associated rangelands. --. Forests and forestry Research United States; Rangelands Research United States. Aerial view of southern pine beetle infestation. This bark beetle kills thousands of acres of pine annually in the South. 30. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Forest Service. [Washington, D. C. ?] : U. S. Dept. of Agriculture, Forest Service


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