By Houston Daniel B.   Heiligmann Randall B.   in Northern Journal of Applied Forestry

ISSN:0742-6348|2|3|79-81

Society of American Foresters‎(1985)‎

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By Heiligmann Randall B.   Rudolph Victor J.   in Journal of Forestry

ISSN:0022-1201|76|3|150-151

Society of American Foresters‎(1978)‎

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By Heiligmann Randall B.   Brown James H.   in Northern Journal of Applied Forestry

ISSN:0742-6348|22|4|268-274

Society of American Foresters‎(2005)‎

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By Ward Jeffrey S.   Heiligmann Randall B.   in Northern Journal of Applied Forestry

ISSN:0742-6348|7|2|69-72

Society of American Foresters‎(1990)‎

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By Heiligmann Randall B.   Schneider Gary   White Donald P.   in Northern Journal of Applied Forestry

ISSN:0742-6348|23|2|83-86

Society of American Foresters‎(2006)‎

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By Brown James H.   Spetich Martin A.   Heiligmann Randall B.   in Northern Journal of Applied Forestry

ISSN:0742-6348|6|1|15-17

Society of American Foresters‎(1989)‎

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By Heiligmann Randall B.   Norland Eric R.   Hilt Donald E.   in Northern Journal of Applied Forestry

ISSN:0742-6348|2|1|17-22

Society of American Foresters‎(1985)‎

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By Graham Gary W.   Goebel P. Charles   Heiligmann Randall B.   Bumgardner Matthew S.   in Journal of Forestry

ISSN:0022-1201|104|2|94-100

Society of American Foresters‎(2006)‎

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By Graham Gary W.   Goebel P. Charles   Heiligmann Randall B.   Bumgardner Matthew S.   in Northern Journal of Applied Forestry

ISSN:0742-6348|24|4|290-295

Society of American Foresters‎(2007)‎

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