Publication Info. |
Fort Collins, Colorado : United States Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1993. |
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1997-2002: St. Paul, MN : North Central Research Station, Forest Service--U.S. Department of Agriculture, 2002-2004. |
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2007- : Washington, DC : U.S. Department of Agriculture, Forest Service, Washington Office, 2009- |
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