Erosion control, gully erosion in Houchins Valley, 1939
Mammoth Cave National Park; National Park Service
Annotated Bibliography on Soil Erosion and Erosion Control in Subarctic and High-Latitude Regions of North America
Clemson University Libraries
vol. PNW 253; Call number: a13.88: pnw-253.
View across the road from the Doyle ponds, Mammoth Cave National Park, by Willis King, 1937
Mammoth Cave National Park; National Park Service
Project No. 231, erosion, showing check dam completed work being done by NP-1 in Eaton Valley, 1939
Mammoth Cave National Park; National Park Service
Project No. 231, erosion, showing NP-1 sodding and setting post that holds sod and wire, work being done in Eaton Valley, 1939
Mammoth Cave National Park; National Park Service
Project No. 231, erosion, showing NP-1 sodding and setting post that holds sod and wire, work being done in Eaton Valley, 1939
Mammoth Cave National Park; National Park Service
View of pond in Sam Cox Valley, Mammoth Cave National Park, by Willis King, 1937
Mammoth Cave National Park; National Park Service
Boys in student conservation group work on hill with erosion problem, 1969
Great Smoky Mountains National Park
Working of an erosion problem at Air Tanker Base. Student Conservation Group, IV-Z-Youth-17295
1969-07
View of watershed just above Boiling Spring, showing considerable erosion, Mammoth Cave National Park, by Willis King, 1937
Mammoth Cave National Park; National Park Service
View of erosion damage of service magazine, Fort Moultrie, South Carolina
National Park Service
Erosion damage- 1870 service magazine; 11/70; M100; 3h.
