Construction, showing side and top view of incinerator near utility area, 1940
Mammoth Cave National Park; National Park Service
WGRC radio broadcasts from Echo River
Mammoth Cave National Park; National Park Service
Young man holding up dead rattlesnake
Mammoth Cave National Park; National Park Service
Incinerator under construction in utility area
Mammoth Cave National Park; National Park Service
Scout Ronald Roberson attempts to build a fire by friction as scout David Newcomb stands ready to blow hard at first sign of a spark
Mammoth Cave National Park; National Park Service
Scouting, left to right, Thomas Hancock, Wade Rayburn, and Gordon Coffey call assembly and prepare to announce the program for the day
Mammoth Cave National Park; National Park Service
Three Bowling Green boy scouts came to Camporee by water, left to right (on boats), Thomas Cook, Jim Wilson, George Wallace
Mammoth Cave National Park; National Park Service
WGRC prepares for cave radio broadcast
Mammoth Cave National Park; National Park Service
Snake expert Jack Raymon teaches about non-poisonous snakes to scouts, left to right John Abel, Jimmie Wilson, Billy Elly
Mammoth Cave National Park; National Park Service
Hotel, baby shower, table has two babies and flowers on it, 1940
Mammoth Cave National Park; National Park Service
Scouting, Bill Chambers administers artificial respiration to Jimmy Bell with the help of George Wallace
Mammoth Cave National Park; National Park Service
Forestry, showing tree pruner cutting off limb of tree in picnic area, 1940
Mammoth Cave National Park; National Park Service
View of the farm of Mary V. Sell Ritter, tract no. 260, 1940
Mammoth Cave National Park; National Park Service
View of the farm of Mary V. Sell Ritter, tract no. 260, 1940
Mammoth Cave National Park; National Park Service
WHAS short wave radio test in Mammoth Cave, Echo River, 1940
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
Mammoth Cave Hotel employees posed for photograph, 1940
Mammoth Cave National Park; National Park Service
Cave, wedding at Bridal Altar in Gothic Avenue
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
Wrecks, close-up of left rear wheel of coal truck after collision, 1940
Mammoth Cave National Park; National Park Service
Construction, enlarging Katy Pace quarry, 1940
Mammoth Cave National Park; National Park Service
Construction, leveling proposed parking area near cabins, 1940
Mammoth Cave National Park; National Park Service
NP-1, fire protection, class at fire school receiving instruction from Assistant Chief Ranger Edwards from Smoky Mountains National Park, 1941
Mammoth Cave National Park; National Park Service
Rear view of the superintendents house completed, but not landscaped, 1941
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
Imhoff tank construction, 1941
Mammoth Cave National Park; National Park Service
Army activities at Mammoth Cave, soldiers pitching tents
Mammoth Cave National Park; National Park Service
Construction, enrollees watering and rolling cabin parking lot, 1941
Mammoth Cave National Park; National Park Service
Army activities at Mammoth Cave, half tracks parked in rear of Mammoth Cave Hotel
Mammoth Cave National Park; National Park Service
Army activities at Mammoth Cave, army unit preparing for bivouac in Freeman Field
Mammoth Cave National Park; National Park Service
Three cave visitors in cave at Boone Avenue
Mammoth Cave National Park; National Park Service
Start of construction of forms for Imhoff tank, 1941
Mammoth Cave National Park; National Park Service
Guide and woman in cave on Boone Avenue
Mammoth Cave National Park; National Park Service
Guide and woman in cave on Boone Avenue
Mammoth Cave National Park; National Park Service
View of empty ferry and ferry operator waiting on near side of river for cars, showing completed ditches, 1941
Mammoth Cave National Park; National Park Service
Three cave visitors in cave at Boone Avenue
Mammoth Cave National Park; National Park Service
People on the lawn of the Mammoth Cave Hotel
Mammoth Cave National Park; National Park Service
Army activities at Mammoth Cave, baseball game with CCC enrollees and Army forces
Mammoth Cave National Park; National Park Service
Portrait, Warden W.O. Blanton Jr.
Mammoth Cave National Park; National Park Service
Cave, Snowball Dining Room diners are listening to ranger naturalist lecture
Mammoth Cave National Park; National Park Service
Portrait, R. Taylor Hoskins, Superintendent, 1941
Mammoth Cave National Park; National Park Service
Old timers at 4th homecoming, people in amphitheater listening to speaker
Mammoth Cave National Park; National Park Service
Warden W.O. Blanton up hill from Green River ferry
Mammoth Cave National Park; National Park Service
Old timers at 4th homecoming, three men shaking hands
Mammoth Cave National Park; National Park Service
Warden W.O. Blanton Jr. on Green River ferry
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, tourists in Corkscrew, 1941
Mammoth Cave National Park; National Park Service
Members of National Speleological Society on trail in Salts Cave, 1941
Mammoth Cave National Park; National Park Service
Hotels and taverns, busboys Roberts, Scott, and Goodwin of Tuskegee Institute, 1941
Mammoth Cave National Park; National Park Service
Snowball Dining Room lunch group at station wagon unloading lunches for cave, 1941
Mammoth Cave National Park; National Park Service
Members of National Speleological Society in Salts Cave, 1941
Mammoth Cave National Park; National Park Service
Cave, the Bridal Altar with Jean Savage and Josephine Miller, 1941
Mammoth Cave National Park; National Park Service
"Dog Hotel" at Mammoth Cave Hotel, 1941
Mammoth Cave National Park; National Park Service
Cave, Jenny Lind's Armchair with Jean Savage and Jean S. Galloway, 1941
Mammoth Cave National Park; National Park Service
Hotels and taverns, cooks Danzler, McGee and unknown cook, of Tuskegee Institute, 1941
Mammoth Cave National Park; National Park Service
Cave, setting tables in Snowball Dining Room, Kate Schwarz on telephone, 1941
Mammoth Cave National Park; National Park Service
Construction, enrollees pouring imhoff tank, 1941
Mammoth Cave National Park; National Park Service
"The New Day" newspaper article, entitled ""The solution to the problems of every nation lies in the spiritual renovation, purification and regeneration of the hearts of men," states father", regarding the return of a stalagmite to Mammoth Cave, 1941
Mammoth Cave National Park; National Park Service
Construction, enrollees pouring imhoff tank, 1941
Mammoth Cave National Park; National Park Service
Mammoth Cave Hotel, through the trees
Mammoth Cave National Park; National Park Service
Cave, trail construction, New Discovery, 1942
Mammoth Cave National Park; National Park Service
Signs constructed for Abraham Lincoln National Historic Site, 1942
Mammoth Cave National Park; National Park Service
Disabled Vets meeting in amphitheater
Mammoth Cave National Park; National Park Service
Waterworks, sewage disposal tank completed, 1942
Mammoth Cave National Park; National Park Service
Museum collection, artifacts (large points) from the Nelson collection, 1942
Mammoth Cave National Park; National Park Service
Museum collection, artifacts (pestles) from the Nelson collection, 1942
Mammoth Cave National Park; National Park Service
Museum collection, artifacts (drills) from the Nelson collection, 1942
Mammoth Cave National Park; National Park Service
Abraham Lincoln National Historic Site, record storage building
Mammoth Cave National Park; National Park Service
Dwellings, Tract 574 from barn looking northwest, 1943
Mammoth Cave National Park; National Park Service
Smith Valley from Cedar Sink, 1943
Mammoth Cave National Park; National Park Service
Looking up Green River from Mammoth Cave Ferry, 1944
Mammoth Cave National Park; National Park Service
Green River Valley below Mammoth Cave Ferry, 1944
Mammoth Cave National Park; National Park Service
Road signs for Floyd Collins Crystal Cave and Great Onyx Cave
Mammoth Cave National Park; National Park Service
Road signs for Floyd Collins' Crystal Cave and Great Onyx Cave
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 work, man walking by some type of box on the ground, 1945
Mammoth Cave National Park; National Park Service
Soil and moisture work, two men with sticks, 1945
Mammoth Cave National Park; National Park Service
Needed maintenance in cave, showing three stalls of bathrooms
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
United States Navy discharge papers, Benjamin Harrison Davis
Mammoth Cave National Park; National Park Service
Cave, visitors enter the Historic Entrance, 1946
Mammoth Cave National Park; National Park Service
Meeting, people seated at speakers table for a meal, including Krug, Barkley, and Willis
Mammoth Cave National Park; National Park Service
Dedication, luncheon at Mammoth Cave Hotel, 1946
Mammoth Cave National Park; National Park Service
Speaker at podium for dedication ceremony (Krug, Barkley, Willis, Allen, Demaray, or Haskins)
Mammoth Cave National Park; National Park Service
Dedication, stage under construction, 1946
Mammoth Cave National Park; National Park Service
Dedication, luncheon at Mammoth Cave Hotel, 1946
Mammoth Cave National Park; National Park Service
Dedication, luncheon at Mammoth Cave Hotel, 1946
Mammoth Cave National Park; National Park Service
Dedication, stage under construction, 1946
Mammoth Cave National Park; National Park Service
Dedication, luncheon at Mammoth Cave Hotel, 1946
Mammoth Cave National Park; National Park Service
Sonny Woods, before and after landscape shots showing erosion damage and the improvement after soil and moisture work, 1950
Mammoth Cave National Park; National Park Service
Sonny Woods, before and after landscape shots showing erosion damage and the improvement after soil and moisture work, 1950
Mammoth Cave National Park; National Park Service
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