Sewage disposal plant (after construction), 1950
Mammoth Cave National Park; National Park Service
Sewage disposal plant (after construction), 1950
Mammoth Cave National Park; National Park Service
Sewage disposal plant (after construction), 1950
Mammoth Cave National Park; National Park Service
Sewage disposal plant (before construction), 1950
Mammoth Cave National Park; National Park Service
Aerial view of Flamingo sewage area
Everglades National Park; National Park Service
Distant aerial view of Flamingo sewage area.
Aerial view of Columbia sewage plant, Congaree National Park, South Carolina
Congaree National Park
#1724 Columbia Sewage Plant
Teachers workshop, Environmental education, Elkmont sewage plant
Great Smoky Mountains National Park
Teachers visit Elkmont Sewage System.NESA Teachers Workshop; Environmental Education, IV-U-Ed-16097, Miscellaneous - Use of Park - Environment Education
Teachers workshop, Environmental education, Elkmont sewage plant
Great Smoky Mountains National Park
Teachers visit Elkmont Sewage plant.Teachers Workshop; Environmental Education, IV-U-Ed-16096, Miscellaneous - Use of Park - Environment Education
Entrance road to Headquarters Trailer Disposal station, Smokemont, North Carolina
Great Smoky Mountains National Park
Gravel entrance road at the head of the loop at headquarters trailer disposal station. The disposal station is located on the right fork of the loop. Work Order No. B-57 sanitary disposal stations for travel trailers Completion report photo,HEADQUARTERS TRAVEL TRAILER SANITARY DISPOSAL STATION, II-U-TDS-6795, Physical Facilities - Utilities - Travel trailer sanitary disposal
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