United States. Natural Resources Conservation Service & University of Alaska Fairbanks. Agricultural and Forestry Experiment Station. (1998). Soil survey of Copper River Area, Alaska. The Service.
Chicago Style (17th ed.) CitationUnited States. Natural Resources Conservation Service and University of Alaska Fairbanks. Agricultural and Forestry Experiment Station. Soil Survey of Copper River Area, Alaska. [Washington, D.C.?]: The Service, 1998.
MLA (9th ed.) CitationUnited States. Natural Resources Conservation Service and University of Alaska Fairbanks. Agricultural and Forestry Experiment Station. Soil Survey of Copper River Area, Alaska. The Service, 1998.
Warning: These citations may not always be 100% accurate.