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close this section of the libraryHepting, George H. (George Henry), 1907- 4n(2)
View the documentHepting, George H. (George Henry), 1907- 4n; Diseases of forest and shade trees of the United States / by George H. Hepting. Washington, D.C. : U.S. Dept. of Agriculture, Forest Service, 1971.
View the documentHepting, George H. (George Henry), 1907- 4n; Tree diseases of Eastern forests and farm woodlands / . : U.S. Dept. of Agriculture, Forest Service, 1969.