Hall, F. C. (1998). Pacific Northwest ecoclass codes for seral and potential natural communities. Portland, Or. (333 S.W. First Ave., P.O. Box 3623, Portland 97208-3623): U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style CitationHall, Frederick C. Pacific Northwest Ecoclass Codes for Seral and Potential Natural Communities. Portland, Or. (333 S.W. First Ave., P.O. Box 3623, Portland 97208-3623): U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1998.
MLA CitationHall, Frederick C. Pacific Northwest Ecoclass Codes for Seral and Potential Natural Communities. Portland, Or. (333 S.W. First Ave., P.O. Box 3623, Portland 97208-3623): U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1998.