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  • All fields: Erosion
(84 results)



Display: 20

    • Devil's Gulch

    • Canyons; Landscapes
    • "Devil's Gulch looking SE. Canyon 225' deep." View from a relatively high point within a canyon showing the canyon walls. In the left foreground, the nearest canyon wall shows layers of different sediments and effects of erosion. Near the top...
    • Chimney Rock damage by lightning

    • Chimney Rock (Neb.)--Lightning; Nebraska Western Trails Project NSHS
    • Abstract Many predict that Chimney Rock will soon topple over. A variety of natural and man-made forces, besides gradual erosion, are blamed for damaging the rock. These past and present calamities include lightning. Many emigrants heard tales of...
    • Chimney Rock sketch

    • Chimney Rock (Neb.); Geology--Nebraska; Rock formations--Nebraska; Nebraska Western Trails Project NSHS
    • Abstract The younger Arikaree deposits, carried by water, covered the older Brule formation. The latter is hundreds of feet thick. Repeated cycles followed: wind deposition and erosion, stream deposition and erosion.
    • Chimney Rock sketch

    • Chimney Rock (Neb.); Geology--Nebraska; Rock formations--Nebraska; Nebraska Western Trails Project NSHS
    • Abstract About four or five million years ago the rate of erosion, especially by streams, exceeded the rate of deposition. This plain, which once was as high as the top of the Wildcat Ridge, began to erode away.
    • Chimney Rock sketch

    • Chimney Rock (Neb.); Geology--Nebraska; Rock formations--Nebraska; Nebraska Western Trails Project NSHS
    • Abstract Erosion carried away vast amounts of sediment and left the present landscape. Chimney Rock remained as an isolated remnant of this former great plain, along with Courthouse Rock, ScottÆs Bluff, and the Wildcat Hills.
    • Chimney Rock damage by cannon fire

    • Chimney Rock (Neb.); Ordnance; Nebraska Western Trails Project NSHS
    • Abstract Many predict that Chimney Rock will soon topple over. A variety of natural and man-made forces, besides gradual erosion, are blamed for damaging the rock. These past and present calamities include cannon fire. Some emigrants had heard...
    • Engineering staff group portrait

    • Civilian Conservation Corps (U.S.)
    • "Engineering staff for soil erosion work in Harlan County by Forest Service personel and CCC labor, 1934. From the left: Bob Reynolds, who later in 1935 was made work supt. at Richardson Camp; John Haberman; Agricultural Engineer; ?; Chas Fowler,...
    • Gulley control

    • Civilian Conservation Corps (U.S.)
    • From envelope labeled, "Tecumseh, Pawnee City-1934, Ravenna-1935." Brush and rock gulley erosion control dams in Pawnee County and at Ravenna with CCC labor. Tall plants grow in the foreground of this rural landscape, where six men in a gulley...
    • Gulley control

    • Civilian Conservation Corps (U.S.)
    • From envelope with notation, "Negatives of soil erosion work done with CCC labor and College of Agriculture Forest Service (Ivan Wood) in Pawnee and Buffalo Counties in 1935. Chas F. Fowler, former work supt." "Brush and rock gulley erosion...
    • Gulley control

    • Civilian Conservation Corps (U.S.); Dams; Erosion; Soil conservation
    • From envelope with notation, "Negatives of soil erosion work done with CCC labor and College of Agriculture Forest Service (Ivan Wood) in Pawnee and Buffalo Counties in 1935. Chas F. Fowler, former work supt." "Brush and rock gulley erosion...
    • Gulley control

    • Civilian Conservation Corps (U.S.); Erosion
    • From envelope with notation, "Negatives of soil erosion work done with CCC labor and College of Agriculture Forest Service (Ivan Wood) in Pawnee and Buffalo Counties in 1935. Chas F. Fowler, former work supt." "Brush and rock gulley erosion...
    • 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,...
    • Creek in Harlan County

    • Civilian Conservation Corps (U.S.); Erosion
    • From envelope labeled, "Alma, Harlan County, 1933, 1934". The right of this image shows a creek with steeply-eroded banks. A few trees grow along the creek, and the short grassland on the left slopes slightly toward the creek.
    • Gulley control

    • Civilian Conservation Corps (U.S.); Erosion
    • "Post and brush gulley control structures in gulleys in Pawnee County in 1935." A gulley runs from the mid foreground toward the background. Three men erect posts in the gulley, and farther back others are putting brush in the gulley. A...

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