Detail of soil type where heavy erosion is occuring near Houchins Ferry
Mammoth Cave National Park; National Park Service
Digging post holes for wire check dams, erosion control projects
Mammoth Cave National Park; National Park Service
Sowing grass in fills made by check dams, work done by ky np-2 near Frozen Niagara entrance
Mammoth Cave National Park; National Park Service
Cedar planted in old quarry floor by np-2 tree planting (Stockholm quarry)
Mammoth Cave National Park; National Park Service
Beech sprout from an old fallen tree
Mammoth Cave National Park; National Park Service
Completed temporary check dams near Frozen Niagara entrance, Project Supt. Richardson in picture
Mammoth Cave National Park; National Park Service
Showing a deep section of eroded gully, Foreman Black in picture shows comparative depth of the gully with the height of a man
Mammoth Cave National Park; National Park Service
Large gully with several heads, native grasses have begun to control the lower extremities of the gully
Mammoth Cave National Park; National Park Service
Showing a deep section of eroded gully, Foreman Black in picture shows comparative depth of the gully with the height of a man
Mammoth Cave National Park; National Park Service
Sowing grass in fills made by check dams, work done by ky np-2 near Frozen Niagara entrance
Mammoth Cave National Park; National Park Service
Enrollees of ky np-2 constructing temporary check dams near Frozen Niagara entrance
Mammoth Cave National Park; National Park Service
Completed temporary check dams
Mammoth Cave National Park; National Park Service
Large gully before treatment, character of the soil
Mammoth Cave National Park; National Park Service
Ero check dam installed in an old abandoned wagon road which was eroding
Mammoth Cave National Park; National Park Service
Weeds and grasses are gaining a foothold on the bottom of this wide gully, the sides are continuing to scours and laterals beginning to form
Mammoth Cave National Park; National Park Service
Showing the result of erosion before check dam construction
Mammoth Cave National Park; National Park Service
Spike in sugar maple made by installing iron pipe, tree tapped by chipping with axe goblin knob
Mammoth Cave National Park; National Park Service
Completed temporary check dams near Frozen Niagara entrance, Project Supt. Richardson in picture
Mammoth Cave National Park; National Park Service
Erosion and exposure of foundation of Mississippi Monument, Vicksburg National Military Park, Mississippi, 1934
Vicksburg National Military Park
Showing exposure of foundation due to erosion, base of Mississippi Monument on Confederate Avenu. January 17, 1934.
Natural rock bridge located on upland at head of pine branch on Dog Creek near Piny Falls, farm owned by Mr. Wright, 1934
Mammoth Cave National Park; National Park Service
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