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St. Paul, Minn. : Washington, D.C. : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station ; For sale by the Supt. of Docs., U.S. G.P.O., 1989
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by Bort, Richard
New York : Warren, Gorham & Lamont, 1994
New York : Warren, Gorham & Lamont, 1994
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by Stephens, Louis B.
Washington, D.C. : Federal Highway Administration : Distributed in cooperation with Technology Sharing Program, Office of the Secretary of Transportation, 1985
Washington, D.C. : Federal Highway Administration : Distributed in cooperation with Technology Sharing Program, Office of the Secretary of Transportation, 1985
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