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Nature in the Northwestan introduction to the natural history and ecology of the northwestern United States from the Rockies to the PacificBookby Schwartz, Susan H., 1946-
Published 1983 -
Wilderness trails Northwest;a hiker's and climber's overview-guide to national parks and wilderness areas in Wyoming Montana Idaho Northern California Oregon Washington British Columbia Canadian RockiesBookby Spring, Ira
Published 1974