Np1 at work on ditch line for water system near engineers office, 1937
Mammoth Cave National Park; National Park Service
Enrollees working on septic tank to sewage disposal line from Mammoth Cave hotel, 1937
Mammoth Cave National Park; National Park Service
Enrollees working on septic tank to sewage disposal line from Mammoth Cave hotel, 1937
Mammoth Cave National Park; National Park Service
The bottom of the upside down well in Mammoth Cave near snowball dining hall, 1936
Mammoth Cave National Park; National Park Service
Showing the base of the present water tank at Mammoth Cave hotel, 1936
Mammoth Cave National Park; National Park Service
Enrollees working on septic tank to sewage disposal line from Mammoth Cave hotel, 1937
Mammoth Cave National Park; National Park Service
Enrollees smoothing concrete walls of septic tank, Mammoth Cave hotel sewage line, 1937
Mammoth Cave National Park; National Park Service
Reconnaissance and investigation, a continuation of the water gauge in Cedar Sink, 1936
Mammoth Cave National Park; National Park Service
Pipeline for water under construction, the pipe in the foreground has just been leaded, 1936
Mammoth Cave National Park; National Park Service
The bottom of the upside down well in Mammoth Cave near snowball dining hall, 1936
Mammoth Cave National Park; National Park Service
Man at left is standing at approximate center of proposed building at the hotel, sewage disposal, 1937
Mammoth Cave National Park; National Park Service
Man at left is standing at approximate center of proposed building at the hotel, sewage disposal, 1937
Mammoth Cave National Park; National Park Service
Man at left is standing at approximate center of proposed building at the hotel, sewage disposal, 1937
Mammoth Cave National Park; National Park Service
Demolishing the steel tower which supported the water reservoir prior to construction of the new water system
Mammoth Cave National Park; National Park Service
Crew from np-4 building dam to hold out water while concrete head wall is being built to hold sewage line
Mammoth Cave National Park; National Park Service
Crew from np-4 building dam to hold out water while concrete head wall is being built to hold sewage line
Mammoth Cave National Park; National Park Service
Water faucet from the Mammoth Cave well that supplies water for the dining hall, fountain and dining hall in the background, 1936
Mammoth Cave National Park; National Park Service
Evaluation of rating curves for Everglades agricultural area pump stations S-5A, S-6, S-7 and S-8, with further calibration of rating curve for S-8
(Bibliography) Includes bibliographical references.; (Statement of Responsibility) Siaka Kone.; Technical memorandum: DER 316.
1993-09
Showing Imhoff tank after removing forms, on reverse, hotel sewer line Imhoff tank after forms have been pulled but prior to rubbing, 1937
Mammoth Cave National Park; National Park Service
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