APA (7th ed.) Citation

United States. Forest Service. Pacific Northwest Region. (2020). Walla Walla Ranger District, Umatilla National Forest, Oregon and Washington. U.S. Department of Agriculture. Forest Service, Pacific Northwest Region.

Chicago Style (17th ed.) Citation

United States. Forest Service. Pacific Northwest Region. Walla Walla Ranger District, Umatilla National Forest, Oregon and Washington. [Portland, Or.]: U.S. Department of Agriculture. Forest Service, Pacific Northwest Region, 2020.

MLA (9th ed.) Citation

United States. Forest Service. Pacific Northwest Region. Walla Walla Ranger District, Umatilla National Forest, Oregon and Washington. U.S. Department of Agriculture. Forest Service, Pacific Northwest Region, 2020.