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  • All fields: eroding
(6 results)



Display: 20

    • Dam failure

    • Civilian Conservation Corps (U.S.); Erosion; Dams
    • "Failure south of Alma. Almost pure clay slightly moist was used to build earth dam in winter. No rain until June caused shrinkage in clay and the Republican River flood in 1935 filled the imponded area. Seepages started through shrinkage crack,...
    • Earth dam

    • Civilian Conservation Corps (U.S.)
    • "An earth dam in Harlan County with a low brush structure in spillway to control eroding the earth. Spillways were made wide to spread the water as thin as possible. Farmers were urged to watch erosion ditches and try to start grass in the...
    • Glacial deposits

    • Ravines; Erosion; Rocks; Stratification; Sediments (Geology); Geology, Stratigraphic
    • "Glacial deposits one mi. W. of Falls City." Image of the side of a ravine showing layers of glacial boulders and glacial boulders eroding from the bank of the ravine.

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