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Waterline partly finished, 1936 Mammoth Cave National Park; National Park Service
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1936-07-28
Pipeline from spring to hotel Mammoth Cave National Park; National Park Service
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Circa 1935
Showing connection in pump house, 1937 Mammoth Cave National Park; National Park Service
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1937-05-28
Pouring the top of the reservoir, 1936 Mammoth Cave National Park; National Park Service
Pipeline for cabins at Mammoth Cave hotel, 1936 Mammoth Cave National Park; National Park Service
Pipeline for cabins at Mammoth Cave hotel, 1936 Mammoth Cave National Park; National Park Service
Pouring the top of the reservoir, 1936 Mammoth Cave National Park; National Park Service
Pipeline for cabins at Mammoth Cave hotel, 1936 Mammoth Cave National Park; National Park Service
Pouring the top of the reservoir, 1936 Mammoth Cave National Park; National Park Service
Enrollees from no. 3 digging sewer line, 1937 Mammoth Cave National Park; National Park Service
Manhole concrete on hotel cabins sewer line, 1937 Mammoth Cave National Park; National Park Service
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1937-02-24
Pouring the top of the reservoir, 1936 Mammoth Cave National Park; National Park Service
Enrollees from no. 3 digging sewer line, 1937 Mammoth Cave National Park; National Park Service
Excavating for the reservoir at Three Springs, 1937 Mammoth Cave National Park; National Park Service
Excavating for the reservoir at Three Springs, 1937 Mammoth Cave National Park; National Park Service
Excavating for the reservoir at Three Springs, 1937 Mammoth Cave National Park; National Park Service
Enrollees from no. 3 digging sewer line, 1937 Mammoth Cave National Park; National Park Service
Construction, digging ditch at central office, 1937 Mammoth Cave National Park; National Park Service
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1937-03-11
Enrollees of ky np-1 at work on sewer line, 1937 Mammoth Cave National Park; National Park Service
Sewer drain ditch at the central garage, 1936 Mammoth Cave National Park; National Park Service
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1936-11-09
Enrollees of ky np-1 at work on sewer line, 1937 Mammoth Cave National Park; National Park Service
Ky np-1 digging waterline near central office, 1936 Mammoth Cave National Park; National Park Service
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1936-08-06
Reconnaissance and investigation, water register in Cedar Sink, 1936 Mammoth Cave National Park; National Park Service
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1936-08-05
Manhole in Mammoth Cave hotel sewage line, 1937 Mammoth Cave National Park; National Park Service
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1937-07-01
Drainage ditch at the central garage and repair shop, 1936 Mammoth Cave National Park; National Park Service
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1936-10-20
Fissure in the rock of the ditch line, 1936 Mammoth Cave National Park; National Park Service
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1936-09-13
Enrollees of ky np-1 at work on sewer line, 1937 Mammoth Cave National Park; National Park Service
Enrollees from no3 digging sewer line in residential area Mammoth Cave National Park; National Park Service
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Circa 1937
Digging ditch for waterline through section of woods, ky np-1 Mammoth Cave National Park; National Park Service
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Circa 1936
Sewage ditch for central garage and utility shop, 1936 Mammoth Cave National Park; National Park Service
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1936-10-20
Waterline that goes from spring to hotel at Mammoth Cave Mammoth Cave National Park; National Park Service
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Circa 1935
Enrollees covering sewage disposal line from Mammoth Cave hotel, 1937 Mammoth Cave National Park; National Park Service
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1937-06-01
Concrete septic tank to the Mammoth Cave hotel sewer line, 1937 Mammoth Cave National Park; National Park Service
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1937-08-01
Showing depth of Imhoff tank of hotel sewage disposal, 1937 Mammoth Cave National Park; National Park Service
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1937-09-01
Clearing rock in preparation for transplanting shrubs and sod, 1937 Mammoth Cave National Park; National Park Service
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1937-03-01
Looking down the center of waterline ditch before completion, 1936 Mammoth Cave National Park; National Park Service
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1936-06-01
Np-4 boy smoothing new concrete basin to sewage line, Mammoth Cave hotel Mammoth Cave National Park; National Park Service
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Circa 1937
Np1 at work on ditch line for water system near engineers office, 1937 Mammoth Cave National Park; National Park Service
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1937-03-03
Showing the base of the present water tank at Mammoth Cave hotel, 1936 Mammoth Cave National Park; National Park Service
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1936-08-01
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1936-11-06
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

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