By Halliwell David B.   Bell Forrest   Federle Jodi Michaud   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2003|4|673-686

Water Environment Federation‎(2003)‎

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By Brown James H.   Halliwell David B.   Gould Walter P.   in Journal of Forestry

ISSN:0022-1201|77|1|30-32

Society of American Foresters‎(1979)‎

Access to resources Favorite 8.966104