Front view of house on Amos Cook property, 1939
Mammoth Cave National Park; National Park Service
Typical log cabin near new picnic area, 1939
Mammoth Cave National Park; National Park Service
Road under construction at central office, project no. 15, 1933
Mammoth Cave National Park; National Park Service
Formation in quarry, foreman Johnson in foreground, 1934
Mammoth Cave National Park; National Park Service
Mr Miller, park engineer in foreground, 1933
Mammoth Cave National Park; National Park Service
Station 268x00 road completed, project no. 24, 1934
Mammoth Cave National Park; National Park Service
Pruning dead wood, tree preservation and repair, at new entrance, project no. 50, 1934
Mammoth Cave National Park; National Park Service
Trail work, heavy side cut to adjust trail to the existing topography, near Dixon Cave, 1935
Mammoth Cave National Park; National Park Service
Ky np-3 at work on road obliteration, Violet City Road, 1936
Mammoth Cave National Park; National Park Service
Looking east from Mammoth Cave hotel before landscaping, 1936
Mammoth Cave National Park; National Park Service
After obliteration at the junction of KY 70 and the Violet City Road. 1936
Mammoth Cave National Park; National Park Service
Well at the end of the rig in Doyle Valley, 1936
Mammoth Cave National Park; National Park Service
Fire hazard red after completion on tract 48, near First Creek Lake, 1937
Mammoth Cave National Park; National Park Service
Building wall for the foundation to new addition to central office, 1937
Mammoth Cave National Park; National Park Service
Houses and property barn on the Perry Cox place, 1937
Mammoth Cave National Park; National Park Service
House on the Dan Meredith place, 1937
Mammoth Cave National Park; National Park Service
Rear of barn, Lizzie Dennison place, 1937
Mammoth Cave National Park; National Park Service
Number 7, looking up Green River from Mammoth Cave boat landing
Mammoth Cave National Park; National Park Service
Stump of dead tree being removed from trail side leading to new entrance, cave entrance in the background, 1938
Mammoth Cave National Park; National Park Service
Construction of new ferry boat to be used atHouchins Ferry, Mammoth Cave National Park, 1938
Mammoth Cave National Park; National Park Service
Portrait of Franklin K. Murray, Assistant Engineer, Mammoth Cave National Park, 1938
Mammoth Cave National Park; National Park Service
Planting Virginia Pine tree at edge of new parking area at Mammoth Cave hotel, 1938
Mammoth Cave National Park; National Park Service
Fire prevention (fire school), demonstrating use of fire rakes at demonstration fire (and other equipment), 1938
Mammoth Cave National Park; National Park Service
Green River, new ferry boat to be used at Houchins Ferry, 1938
Mammoth Cave National Park; National Park Service
Rear of view of barn and log pen on the Fred Houchins farm, tract no. 372, 1938
Mammoth Cave National Park; National Park Service
Fire protection, mixing and pouring concrete pillars for new steel lookout tower at Hickory cabin, 1938
Mammoth Cave National Park; National Park Service
Fire protection, showing first section completed and men at work on steps of new steel tower at hickory cabin, 1938
Mammoth Cave National Park; National Park Service
Forestry, pruning trees along telephone line, cleared area on Highway 70, 1938
Mammoth Cave National Park; National Park Service
Front view of small barn on Rena Davisproperty, tract no. 469, 1938
Mammoth Cave National Park; National Park Service
Back and end view of house on E.G. Parsleyproperty, tract no. 492, 1938
Mammoth Cave National Park; National Park Service
View of house on Elijah Davis property, tract no. 322, 1938
Mammoth Cave National Park; National Park Service
Meeting of the American Legion on the lawn of the Mammoth Cave Hotel, 1938
Mammoth Cave National Park; National Park Service
Black enrollee in sick bay having pulse checked by CCC enrollee
Mammoth Cave National Park; National Park Service
Showing interior of army office at NP-1, 1938
Mammoth Cave National Park; National Park Service
Ranger Welden administers first aid to young fox that was struck by car in park area and carried to headquarters for first aid treatment, 1938
Mammoth Cave National Park; National Park Service
Ranger Welden administers first aid to young fox that was struck by car in park area and carried to headquarters for first aid treatment, 1938
Mammoth Cave National Park; National Park Service
Foot trail construction, foot trail to Carmichael entrance after it was reworked and graveled by NP-4, 1938
Mammoth Cave National Park; National Park Service
Construction, New Echo River Road, Station 91+75, 1938
Mammoth Cave National Park; National Park Service
Showing large encampment of US army at Frozen Niagara/New Entrance Hotel area with tent and entire camp in order
Mammoth Cave National Park; National Park Service
Posed portrait of unidentified uniformed NPS ranger
Mammoth Cave National Park; National Park Service
Group walking down trail to historic entrance of cave
Mammoth Cave National Park; National Park Service
Cave, showing new discovery part of cave and itsformation of gypsum, and other formation part of old Mammoth Cave, four guides leaning on large rimstone dam, 1938
Mammoth Cave National Park; National Park Service
Cave, showing new discovery part of cave and itsformation of gypsum, and other formation part of old Mammoth Cave, 1938
Mammoth Cave National Park; National Park Service
Cave visitors leaving Mammoth Cave Hotel area for cave trip
Mammoth Cave National Park; National Park Service
Forestry, characteristic saw pruning, wound on strongly branched Red Cedar before chisel work to produce a flush cut, 1938
Mammoth Cave National Park; National Park Service
Fire protection, portable rack for power pumper with handles recessed, 1939
Mammoth Cave National Park; National Park Service
Commanding officer and superintendent at NP-1, 1939
Mammoth Cave National Park; National Park Service
Construction, key area trunk sewer station 40+50, 1939
Mammoth Cave National Park; National Park Service
Scale showing height of cave ceiling, Cox Case
Mammoth Cave National Park; National Park Service
Unidentified woman seated in Jenny Lind's Armchair during cave tour
Mammoth Cave National Park; National Park Service
Forestry, showing men transplanting small Locust trees, 1939
Mammoth Cave National Park; National Park Service
Construction, Bransford Springs water supply 4" pump line looking from sta. 14x50 to about sta. 9x00, 1939
Mammoth Cave National Park; National Park Service
Two women in Mammoth Cave looking back at Martha Washington's silhouette
Mammoth Cave National Park; National Park Service
Group portrait of eight men and women, Butler family reunion
Mammoth Cave National Park; National Park Service
Forestry, transplanting tree, 1939
Mammoth Cave National Park; National Park Service
Two men playing ping pong, Mammoth Cave Hotel
Mammoth Cave National Park; National Park Service
Forestry, transplanted tree, 1939
Mammoth Cave National Park; National Park Service
Construction, new headquarters for colored employees at Mammoth Cave Hotel, 1939
Mammoth Cave National Park; National Park Service
Doorman unloading luggage from a Cadillac with 1939 California Worlds Fair license plates, Mammoth Cave Hotel
Mammoth Cave National Park; National Park Service
Completed pumphouse at Bransford Springs, 1939
Mammoth Cave National Park; National Park Service
Cave, guide and announcer just before starting in the Frozen Niagara entrance for "Men at Work" program broadcast by WSM, 1939
Mammoth Cave National Park; National Park Service
Cave, broadcast by WSM "Men at Work" program, a guide was interviewed taking the regular Frozen Niagara trip, 1939
Mammoth Cave National Park; National Park Service
Cave, New Discovery, mud cracks in lake basin
Mammoth Cave National Park; National Park Service
Erosion, tree planting, enrollee standing in the middle of trees, 1939
Mammoth Cave National Park; National Park Service
Four women playing shuffleboard
Mammoth Cave National Park; National Park Service
Telephone line construction, using truck to stretch aerial cable on new telephone system line, 1939
Mammoth Cave National Park; National Park Service
Fire prevention, new fire truck, Chevrolet, at NP-2, 1939
Mammoth Cave National Park; National Park Service
Construction, work on operators shop at utility area, 1939
Mammoth Cave National Park; National Park Service
Portrait, Hub Gore, Assistant Ferry Operator at Mammoth Cave, 1940
Mammoth Cave National Park; National Park Service
National Park Service warehouse under construction, 1940
Mammoth Cave National Park; National Park Service
Fire protection, Mammoth Cave employees receiving fire fighting instructions from a captain of Louisville fire department, 1940
Mammoth Cave National Park; National Park Service
Landscaping, looking towards Frozen Niagara entrance showing shrubbery, 1940
Mammoth Cave National Park; National Park Service
Completed parking lot at Frozen Niagara hotel, 1940
Mammoth Cave National Park; National Park Service
Construction, beginning of Lick Log Road by camp NP-1, 1940
Mammoth Cave National Park; National Park Service
Column in unidentified area of cave
Mammoth Cave National Park; National Park Service
People eating in Mammoth Cave Hotel dining room
Mammoth Cave National Park; National Park Service
Five generations, 1940 homecoming, Mammoth Cave National Park
Mammoth Cave National Park; National Park Service
WGRC radio broadcasts from Echo River
Mammoth Cave National Park; National Park Service
Construction, state highway equipment laying an asphalt course on road near Mammoth Cave Hotel, 1940
Mammoth Cave National Park; National Park Service
Cars parked in front of Frozen Niagara Hotel, Labor Day, 1940
Mammoth Cave National Park; National Park Service
Construction, enlarging Katy Pace quarry, 1940
Mammoth Cave National Park; National Park Service
Fire station construction, Maple Springs
Mammoth Cave National Park; National Park Service
Springhouse on unidentified hillside
Mammoth Cave National Park; National Park Service
Army activities at Mammoth Cave, soldiers in chow line
Mammoth Cave National Park; National Park Service
Army activities at Mammoth Cave, group of G.I.s posed on motorcycles
Mammoth Cave National Park; National Park Service
Army activities at Mammoth Cave, soldiers pitching tents in Freeman Field
Mammoth Cave National Park; National Park Service
Portrait, Warden W.O. Blanton Jr.
Mammoth Cave National Park; National Park Service
Cave, Kate Schwarz, hostess, going downstairs to Snowball Dining Room, Carmichael Entrance, 1941
Mammoth Cave National Park; National Park Service
Cave, trail construction, New Discovery, 1942
Mammoth Cave National Park; National Park Service
Disabled Vets meeting in amphitheater
Mammoth Cave National Park; National Park Service
Looking up Green River from Mammoth Cave Ferry, 1944
Mammoth Cave National Park; National Park Service
Soil and moisture work, field being plowed, 1945
Mammoth Cave National Park; National Park Service
Soil and moisture after treatment, 1946
Mammoth Cave National Park; National Park Service
Soil and moisture after treatment, 1946
Mammoth Cave National Park; National Park Service
Cave, visitors enter the Historic Entrance, 1946
Mammoth Cave National Park; National Park Service
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