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Soil and moisture after treatment, 1946 Mammoth Cave National Park; National Park Service
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1946-07
Soil and moisture after treatment, 1946 Mammoth Cave National Park; National Park Service
View on map 
1946-07
Soil and moisture after treatment, 1946 Mammoth Cave National Park; National Park Service
View on map 
1946-07
Soil and moisture after treatment, 1946 Mammoth Cave National Park; National Park Service
View on map 
1946-07
Soil and moisture conservation, hilly field Mammoth Cave National Park; National Park Service
View on map 
Soil and moisture after treatment, 1946 Mammoth Cave National Park; National Park Service
View on map 
1946-07
Soil and moisture work, erosion, 1945 Mammoth Cave National Park; National Park Service
View on map 
1945-06
Soil and moisture work, erosion, 1945 Mammoth Cave National Park; National Park Service
View on map 
1945-06
Soil and moisture after treatment, 1946 Mammoth Cave National Park; National Park Service
View on map 
1946-07
Soil and moisture after treatment, 1946 Mammoth Cave National Park; National Park Service
View on map 
1946-07
Erosion control, gully erosion in Houchins Valley, 1939 Mammoth Cave National Park; National Park Service
View on map 
1939-11-28
Soil and moisture conservation, trees in background Mammoth Cave National Park; National Park Service
View on map 
Soil and moisture conservation, trees in background Mammoth Cave National Park; National Park Service
View on map 
Soil and moisture conservation, trees in background Mammoth Cave National Park; National Park Service
View on map 
Soil and moisture conservation, trees in background Mammoth Cave National Park; National Park Service
View on map 
Soil and moisture conservation, trees in background Mammoth Cave National Park; National Park Service
View on map 
Soil and moisture conservation, Brooks Knob, facing west, 1948 Mammoth Cave National Park; National Park Service
View on map 
Circa 1948
Soil and moisture work, two men with sticks, 1945 Mammoth Cave National Park; National Park Service
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1945-06
Landscape shot of soil erosion facing east, Brooks Knob, 1948 Mammoth Cave National Park; National Park Service
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Circa 1948
Landscape shot showing the effects of soil erosion, Joppa Church, 1948 Mammoth Cave National Park; National Park Service
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Circa 1948
Doyle Valley, landscape shots showing soil erosion and the improvements after work, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Doyle Valley, landscape shots showing soil erosion and the improvements after work, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Doyle Valley, landscape shots showing soil erosion and the improvements after work, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Doyle Valley, landscape shots showing soil erosion and the improvements after work, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Doyle Valley, landscape shots showing soil erosion and the improvements after work, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Doyle Valley, landscape shots showing soil erosion and the improvements after work, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Doyle Valley, landscape shots showing soil erosion and the improvements after work, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Doyle Valley, landscape shots showing soil erosion and the improvements after work, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Doyle Valley, landscape shots showing soil erosion and the improvements after work, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Silent Grove, landscape shots showing soil erosion and conservation, before and after, 1949 Mammoth Cave National Park; National Park Service
View on map 
Circa 1949
Soil and moisture conservation, trees in background, government employee in field Mammoth Cave National Park; National Park Service
View on map 
Soil and moisture conservation, trees in background, government employee in field Mammoth Cave National Park; National Park Service
View on map 
Soil and moisture conservation, trees in background, government employee near center Mammoth Cave National Park; National Park Service
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Soil and moisture conservation, trees in background, government employee in field Mammoth Cave National Park; National Park Service
View on map 
Yellowstone photo album 4, page 84 Yellowstone National Park
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Circa 1930
View series 
Sonny Woods, before and after landscape shots showing soil erosion and the improvements after work, 1950 Mammoth Cave National Park; National Park Service
View on map 
Circa 1950
Soil and moisture conservation, trees in background, government employee in front of trees Mammoth Cave National Park; National Park Service
View on map 
Soil and moisture after treatment, 1946
Soil and moisture after treatment, 1946
Soil and moisture after treatment, 1946
Soil and moisture after treatment, 1946
Soil and moisture conservation, hilly field
Soil and moisture after treatment, 1946
Soil and moisture work, erosion, 1945
Soil and moisture work, erosion, 1945
Soil and moisture after treatment, 1946
Soil and moisture after treatment, 1946
Erosion control, gully erosion in Houchins Valley, 1939
Soil and moisture conservation, trees in background
Soil and moisture conservation, trees in background
Soil and moisture conservation, trees in background
Soil and moisture conservation, trees in background
Soil and moisture conservation, trees in background
Soil and moisture conservation, Brooks Knob, facing west, 1948
Soil and moisture work, two men with sticks, 1945
Landscape shot of soil erosion facing east, Brooks Knob, 1948
Landscape shot showing the effects of soil erosion, Joppa Church, 1948
Doyle Valley, landscape shots showing soil erosion and the improvements after ...
Doyle Valley, landscape shots showing soil erosion and the improvements after ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Doyle Valley, landscape shots showing soil erosion and the improvements after ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Doyle Valley, landscape shots showing soil erosion and the improvements after ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Doyle Valley, landscape shots showing soil erosion and the improvements after ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Doyle Valley, landscape shots showing soil erosion and the improvements after ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Doyle Valley, landscape shots showing soil erosion and the improvements after ...
Doyle Valley, landscape shots showing soil erosion and the improvements after ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Doyle Valley, landscape shots showing soil erosion and the improvements after ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Silent Grove, landscape shots showing soil erosion and conservation, before and ...
Soil and moisture conservation, trees in background, government employee in ...
Soil and moisture conservation, trees in background, government employee in ...
Soil and moisture conservation, trees in background, government employee near ...
Soil and moisture conservation, trees in background, government employee in ...
Yellowstone photo album 4, page 84
Sonny Woods, before and after landscape shots showing soil erosion and the ...
Soil and moisture conservation, trees in background, government employee in ...
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Items per page (50):
Page 1 of at least 17
About 810 Items

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