-
by Allen, John Eliot, 1908-1996
Published 1979 -
by Chasan, Daniel Jack
Published 1995 -
Field guide to old-growth forestsexploring ancient forest ecosystems from California to the Pacific NorthwestBookby Eifert, Larry
Published 2000 -
by Mueller, Marge
Published 1997 -
by Churney, Marie
Published 1996 -
Lewis and Clark's mountain wildsa site guide to the plants and animals they encountered in the BitterrootsBookby Ritter, Sharon A.
Published 2002 -
Geological excursions in the Pacific NorthwestGeological Society of America 1977 annual meeting SeattleBookPublished 1977