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Field guide to old-growth forestsexploring ancient forest ecosystems from California to the Pacific NorthwestBookby Eifert, Larry
Published 2000 -
by Pyle, Robert Michael
Published 1995 -
Birds of the Pacific Northwest mountainsthe Cascade Range the Olympic Mountains Vancouver Island and the Coast MountainsBookby Wassink, Jan L.
Published 1995 -
by Benoliel, Doug
Published 1974 -
Watching Washington butterflies;an interpretive guide to the State's 134 species including most of the butterflies of Oregon Idaho and British ColumbiaBookby Pyle, Robert Michael
Published 1974