SYSTEMATIC OBSERVATION OF USE LEVELS, CAMPSITE SELECTION AND VISITOR CHARACTERISTICS AT A HIGH MOUNTAIN LAKEHEBERLEIN TA; DUNWIDDIE P.1979; J. LEISURE RES.; USA; DA. 1979; VOL. 11; NO 4; PP. 307-316; BIBL. 7 REF.Article

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Macrofossil and pollen representation of coniferous trees in modern sediments from Washington = Représentation des macrofossiles et pollens de conifère dans les sédiments récents de l'état de WashingtonDUNWIDDIE, P. W.Ecology (Durham). 1987, Vol 68, Num 1, pp 1-11, issn 0012-9658Article

Systematic Observation of Use Levels, Campsite Selection and Visitor Characteristics at a High Mountain LakeHEBERLEIN, T. A; DUNWIDDIE, P.Journal of Leisure Research Arlington, Va. 1979, Vol 11, Num 4, pp 307-316Article

Recent forest development on Yellow Island, San Juan County, WAAGEE, J. K; DUNWIDDIE, P. W.Canadian journal of botany. 1984, Vol 62, Num 10, pp 2074-2080, issn 0008-4026Article

Pollen dispersal and reporesentation on an offshore islandJACKSON, S. T; DUNWIDDIE, P. W.New phytologist. 1992, Vol 122, Num 1, pp 187-202, issn 0028-646XArticle