United States. Bureau of Land Management. Spokane District Office. (2010). Duffy Creek and Douglas Creek Recreation Sites: Recreation opportunities. U.S. Department of the Interior, Bureau of Land Management, Spokane District.
Chicago Style (17th ed.) CitationUnited States. Bureau of Land Management. Spokane District Office. Duffy Creek and Douglas Creek Recreation Sites: Recreation Opportunities. Spokane, WA: U.S. Department of the Interior, Bureau of Land Management, Spokane District, 2010.
MLA (9th ed.) CitationUnited States. Bureau of Land Management. Spokane District Office. Duffy Creek and Douglas Creek Recreation Sites: Recreation Opportunities. U.S. Department of the Interior, Bureau of Land Management, Spokane District, 2010.
Warning: These citations may not always be 100% accurate.