The Online Books Page

Books by Bruce H. Ringen:

Books in the extended shelves:

• Ringen, Bruce H.: Effect on sediment yield and water quality of a nonrehabilitated surface mine in north-central Wyoming (Dept. of the Interior, Geological Survey, 1979), also by Geological Survey (U.S.) (page images at HathiTrust)
• Ringen, Bruce H.: Hydrology of the Powder River alluvium between Sussex, Wyoming, and Moorhead, Montana (Dept. of the Interior, U.S. Geological Survey ;, 1990), also by Pamela B. Daddow, Geological Survey (U.S.), and United States Bureau of Land Management (page images at HathiTrust)
• Ringen, Bruce H.: Records of ground-water levels in Wyoming, 1940-1971 (Wyoming State Water Planning Program, 1973), also by Geological Survey (U.S.) and Wyoming. State Engineer's Office (page images at HathiTrust)
• Ringen, Bruce H.: Relationship of suspended sediment to streamflow in the Green River Basin, Wyoming (U.S. Dept. of the Interior, Geological Survey, 1984), also by Geological Survey (U.S.) (page images at HathiTrust)

Find more by Bruce H. Ringen at your library, or elsewhere.