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1
by Anderson, Robert L. (Robert Lee), 1944-
[Washington, D.C.] : U.S. Dept. of Agriculture, Forest Service : U.S. Dept. of Agriculture, Cooperative State Research Service, 1982
[Washington, D.C.] : U.S. Dept. of Agriculture, Forest Service : U.S. Dept. of Agriculture, Cooperative State Research Service, 1982
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2
3
by Lee, Ronald F.
Philadelphia, Pa. : Eastern National Park & Monument Association, 1972
Philadelphia, Pa. : Eastern National Park & Monument Association, 1972
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4
5
by Line, Roland F.
[Washington, D.C.?] : Springfield, VA (5285 Port Royal Rd., Springfield 22161) : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service, 1992
[Washington, D.C.?] : Springfield, VA (5285 Port Royal Rd., Springfield 22161) : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service, 1992
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9
by Fryxell, Paul A.
Washington : United States Dept. of Agriculture, 1980
Washington : United States Dept. of Agriculture, 1980
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10
by Swain, Edward Harold Fulcher, 1883-1970
Brisbane, A.J. Cumming, government printer, 1918
Brisbane, A.J. Cumming, government printer, 1918
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Book
11
12
by Ward, James S., 1920-
[Washington, D.C.] : Agricultural Stabilization and Conservation Service, U.S. Department of Agriculture, 1976
Rev.
[Washington, D.C.] : Agricultural Stabilization and Conservation Service, U.S. Department of Agriculture, 1976
Rev.
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13
by Duran, Gilbert, Kaiser, H. Fred, Jr. (Harold Fred), 1939-
Washington, U.S. Forest Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1972
Washington, U.S. Forest Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1972
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14
15
by Leak, William B.
Broomall, Pa. : Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1980
Broomall, Pa. : Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1980
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16
17
by Negri, Donald H.
[Washington, DC] : U.S. Dept. of Agriculture, Economic Research Service, 1989
[Washington, DC] : U.S. Dept. of Agriculture, Economic Research Service, 1989
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