Reed, B. L., & Miller, R. L. (1971). Orientation geochemical soil survey at the Nixon Fork mines, Medfra quadrangle, Alaska: A study to determine effective soil-sampling techniques for reconnaissance geochemical prospecting in the Nixon Fork district. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationReed, Bruce L., and Roger L. Miller. Orientation Geochemical Soil Survey at the Nixon Fork Mines, Medfra Quadrangle, Alaska: A Study to Determine Effective Soil-sampling Techniques for Reconnaissance Geochemical Prospecting in the Nixon Fork District. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1971.
MLA (9th ed.) CitationReed, Bruce L., and Roger L. Miller. Orientation Geochemical Soil Survey at the Nixon Fork Mines, Medfra Quadrangle, Alaska: A Study to Determine Effective Soil-sampling Techniques for Reconnaissance Geochemical Prospecting in the Nixon Fork District. United States Department of the Interior, Geological Survey, 1971.