Old Channel

OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES, 1952, OREGON METAL MINES HANDBOOK, SOUTHWESTERN OREGON--JOSEPHINE COUNTY (2D ED.): OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 14-C, V. 2, SEC. 1, P. 48-49.RAMP, LEN, AND BROOKS, H.C., 1969, PLATINUM GROUP METALS, IN MINERAL AND WATER RESOURCES OF OREGON: U.S. CONGRESS 90TH, 2D SESSION, COMMITTEE ON INTERIOR AND INSULAR AFFAIRS, SENATE PRINTING, P. 171.RAMP, LEN, AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 100, TABLE 1.BROOKS, H.C., AND RAMP, LEN, 1968, GOLD AND SILVER IN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 61, P. 202-204.PARKS, H.M., AND SWARTLEY, A.M., 1916, HANDBOOK OF THE MINING INDUSTRY OF OREGON: OREGON BUREAU OF MINES AND GEOLOGY, THE MINERAL RESOURCES OF OREGON, V. 2, NO. 4, P. 166.BROOKS, H.C., RAMP, LEN, FERNS, M.L., AND GRAY, J.J., 1985, MINERAL INDUSTRY IN OREGON, 1984: OREGON GEOLOGY, V. 47, NO. 4, P. 39-46.RAMP (1979)