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364
Showing the result of erosion before check dam construction Mammoth Cave National Park; National Park Service
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Circa 1935
Showing the result of erosion before check dam construction Mammoth Cave National Park; National Park Service
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Circa 1935
Showing the result of erosion before check dam construction Mammoth Cave National Park; National Park Service
View on map 
Circa 1935
Showing the result of erosion before check dam construction Mammoth Cave National Park; National Park Service
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Circa 1935
Showing two years growth on top of a check dam near Turn Hole Bend on tract 221, 1937 Mammoth Cave National Park; National Park Service
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1937-08-01
Showing two years growth on top of a check dam near the head of Sol Hollow on tract 199, 1937 Mammoth Cave National Park; National Park Service
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1937-08-01
Showing young locust trees growing in gully below check dams near great Onyx Cave region, 1936 Mammoth Cave National Park; National Park Service
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1936-05-01
Showing young planting of black locust near Cedar Sink, 1936 Mammoth Cave National Park; National Park Service
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1936-05-01
Simple check dams of woven fence wire and staked and sunk below the gully bottom are effective in erosion control Mammoth Cave National Park; National Park Service
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Circa 1934
Simple check dams of woven fence wire and staked and sunk below the gully bottom are effective in erosion control Mammoth Cave National Park; National Park Service
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Circa 1934
Simple check dams of woven fence wire and staked and sunk below the gully bottom are effective in erosion control Mammoth Cave National Park; National Park Service
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Circa 1934
Sinkhole in Houchins Valley, Garvin tract, 1936 Mammoth Cave National Park; National Park Service
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1936-12-08
Slide on north Green River hill Mammoth Cave National Park; National Park Service
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Circa 1934
Slide on north Green River hill Mammoth Cave National Park; National Park Service
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Circa 1934
Slide on north Green River hill Mammoth Cave National Park; National Park Service
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Circa 1934
Slide on north side of Green River Mammoth Cave National Park; National Park Service
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Circa 1935
Slides and erosion on high road filled after heavy rain storms, Gatlinburg Bypass, Tennessee Great Smoky Mountains National Park Slides and erosion on high road fill after heavy rain storms. Roadway at right of photo. Work Order No. P-9. FOOTHILLS PARKWAY PROJECT 8G3 Slope stabilization, II-R-FHP-6780, Physical Facilities - Roads - Foothills Parkway, Gatlinburg Bypass', Gatlinburg Spur
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1963-02
Small gully on a gentle slope, being partly controlled by vegetation Mammoth Cave National Park; National Park Service
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Circa 1934
South Pea Island, Cape Hatteras National Seashore, North Carolina, 1959 Cape Hatteras National Seashore NORTHEASTER South Pearls Nov., 1959November 18 1959; South Pea Island Ref. _ - _ of area Refuge than village -- scattered dune _ _ [illegible].
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1959-11-18
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
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Circa 1935
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Items per page (20):
Page 13 of at least 21
About 400 Items

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