Completed temporary check dams near Frozen Niagara entrance, Project Supt. Richardson in picture
Mammoth Cave National Park; National Park Service
Completed temporary check dams near Frozen Niagara entrance, Project Supt. Richardson in picture
Mammoth Cave National Park; National Park Service
Completed temporary check dams near Frozen Niagara entrance, Project Supt. Richardson in picture
Mammoth Cave National Park; National Park Service
Completed temporary check dams near Frozen Niagara entrance, Project Supt. Richardson in picture
Mammoth Cave National Park; National Park Service
Condition of road before repair, project no. 24
Mammoth Cave National Park; National Park Service
Conservation enrollees sewing seed
Mammoth Cave National Park; National Park Service
Construction of CCC barracks
Mammoth Cave National Park; National Park Service
Construction of crushed rock storage bin for mill branch quarry
Mammoth Cave National Park; National Park Service
Construction of ferry approach to Green River, project no. 17
Mammoth Cave National Park; National Park Service
Construction of ferry approach to Green River, project no. 17
Mammoth Cave National Park; National Park Service
Construction of ferry approach to Green River, project no. 17
Mammoth Cave National Park; National Park Service
Construction of ferry approach to Green River, project no. 17
Mammoth Cave National Park; National Park Service
Construction of the recreation hall
Mammoth Cave National Park; National Park Service
Crater formed by uprooted stump
Mammoth Cave National Park; National Park Service
Crusher crew of ky np-1, project no. 17
Mammoth Cave National Park; National Park Service
Crushing rock for crusher set-up at mill branch quarry
Mammoth Cave National Park; National Park Service
Culvert construction near entrance to old MACA culvert to be roofed, the cave entrance is immediately left to pier showing in upper left of photograph
Mammoth Cave National Park; National Park Service
Culvert construction near entrance to old MACA culvert to be roofed, the cave entrance is immediately left to pier showing in upper left of photograph
Mammoth Cave National Park; National Park Service
Culvert headwall at sta 47, G R Allison, park engineer, project no. 17
Mammoth Cave National Park; National Park Service
Cutting dead timber into fire wood
Mammoth Cave National Park; National Park Service
Cutting sills for ky np-1 in woods off ky 70
Mammoth Cave National Park; National Park Service
Dam construction, erosion control work near Stockholm along road, project no. 18
Mammoth Cave National Park; National Park Service
Damage to seedlings and stump sprouts is practically negligible due to the care exercised in clean-up operation, 1934
Mammoth Cave National Park; National Park Service
Dance pavillion now being used as engineers office
Mammoth Cave National Park; National Park Service
Demolition crew at work razing old log house demolition, ky np-4
Mammoth Cave National Park; National Park Service
Demolition of abandoned house just west of camp np-3, hasty removal of the roof following departure of residents prevents reoccupation
Mammoth Cave National Park; National Park Service
Dennison's ferry crossing, Green River, with enrollees from N p -#1
Mammoth Cave National Park; National Park Service
Ditching under construction, project no. 15
Mammoth Cave National Park; National Park Service
During construction of bin at quarry no. 3, Sloan's crossing
Mammoth Cave National Park; National Park Service
During construction road repair work, men handnapping stone for roadbase, near turnhole, project no. 24, 1934
Mammoth Cave National Park; National Park Service
Dwelling to be razed on tract no. 227, Ellis Marbee Grantor
Mammoth Cave National Park; National Park Service
Dwelling to be razed on tract no. 227, Ellis Marbee Grantor
Mammoth Cave National Park; National Park Service
Earth seams alternating with rock, 1934
Mammoth Cave National Park; National Park Service
Electric 55 with Trailbuilder constructing truck, trails to quarry #2
Mammoth Cave National Park; National Park Service
Enrollee African American quartet
Mammoth Cave National Park; National Park Service
Enrollee printing signs in cedar with chisel and hammer, 1937
Mammoth Cave National Park; National Park Service
Enrollees of ky np-2 digging place to reset a maple tree at central office project, Supt. Reynolds in picture
Mammoth Cave National Park; National Park Service
Enrollees of ky np-2 making a new drive and parking space in front of the central office ECW
Mammoth Cave National Park; National Park Service
Enrollees of ky np-3 drilling for sewage line at the new tourists' cottages at Mammoth Cave (hot water)
Mammoth Cave National Park; National Park Service
Enrollees of ky np-3 drilling for sewage line at the new tourists' cottages at Mammoth Cave (hot water)
Mammoth Cave National Park; National Park Service
Enrollees of ky np-3 drilling for sewage line at the new tourists' cottages at Mammoth Cave (hot water)
Mammoth Cave National Park; National Park Service
Enrollees of ky np-4 cleaning ditches and widening road bed
Mammoth Cave National Park; National Park Service
Enrollees of ky np-4 working mill branch quarry
Mammoth Cave National Park; National Park Service
Enrollees of ky np-4 working mill branch quarry
Mammoth Cave National Park; National Park Service
Enrollees of np-4 carrying power line poles
Mammoth Cave National Park; National Park Service
Enrollees of np-4 carrying power line poles
Mammoth Cave National Park; National Park Service
Entrance road to camp under construction, 1933
Mammoth Cave National Park; National Park Service
Entrance road to camp under construction, 1933
Mammoth Cave National Park; National Park Service
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