Base of stairs at Drapery Room in Frozen Niagara section of Mammoth Cave
Mammoth Cave National Park; National Park Service
Bottom of Frozen Niagara section (Drapery Room) of Mammoth Cave
Mammoth Cave National Park; National Park Service
Bottom of Rainbow Domes formation showing completed protection cage surrounding cave area, improved lighting, Frozen Niagara, 1942
Mammoth Cave National Park; National Park Service
Bottom of Rainbow Domes formation showing completed protection cage surrounding cave area, improved lighting, Frozen Niagara, 1942
Mammoth Cave National Park; National Park Service
Cave fencing construction, Frozen Niagara area, fencing around formations, improved lighting, 1942
Mammoth Cave National Park; National Park Service
Cave, Big Paradise in New Discovery, gypsum, Big Avenue, group of five guides shown
Mammoth Cave National Park; National Park Service
Cave, Bridal Altar, four girls, one guide and two men posing
Mammoth Cave National Park; National Park Service
Cave, Bridal Altar, guide and a woman posing for pictures
Mammoth Cave National Park; National Park Service
Cave, Bridal Altar, one guide and a woman posing
Mammoth Cave National Park; National Park Service
Cave, Drapery Room formations
Mammoth Cave National Park; National Park Service
Cave, Evelyn Leedy standing within the Chinese Temple formation
Mammoth Cave National Park; National Park Service
Cave, Evelyn Leedy standing within the Chinese Temple formation
Mammoth Cave National Park; National Park Service
Cave, Frozen Niagara, two women posed
Mammoth Cave National Park; National Park Service
Cave, Hindu Temple, showing cave formations
Mammoth Cave National Park; National Park Service
Cave, New Discovery, Mound City and terraces
Mammoth Cave National Park; National Park Service
Cave, New Discovery, Onyx Altar, guide in picture
Mammoth Cave National Park; National Park Service
Cave, New Discovery, Onyx Altar, guides in picture
Mammoth Cave National Park; National Park Service
Cave, New Discovery, White Chimes or Crystal Chandelier
Mammoth Cave National Park; National Park Service
Cave, New Discovery, White Chimes or Crystal Chandelier
Mammoth Cave National Park; National Park Service
Cave, New Discovery, White Chimes or Crystal Chandelier, guide in picture
Mammoth Cave National Park; National Park Service
Cave, New Discovery, a botryoidal form of travertine incrusts this wall
Mammoth Cave National Park; National Park Service
Cave, New Discovery, a guide looking at gypsum
Mammoth Cave National Park; National Park Service
Cave, New Discovery, close up of wall in Paradise Avenue
Mammoth Cave National Park; National Park Service
Cave, New Discovery, concretionary travertine deposit, large basin
Mammoth Cave National Park; National Park Service
Cave, New Discovery, fibrous gypsum growing in a cylindrical mass
Mammoth Cave National Park; National Park Service
Cave, New Discovery, foot of the Draperies, and flow stone basin
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum (Little Paradise)
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum (Little Paradise)
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum floral pattern
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum floral pattern
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum floral pattern
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum flowers growing on limestone ledge
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum in the form of snowballs
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum which has the appearance of spun glass
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum which resembles ginned cotton
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum, Big Cave, single man in foreground holding lantern
Mammoth Cave National Park; National Park Service
Cave, New Discovery, travertine deposits in Fossil Avenue
Mammoth Cave National Park; National Park Service
Cave, New Discovery, travertine deposits in Fossil Avenue
Mammoth Cave National Park; National Park Service
Cave, New Discovery, travertine deposits in Fossil Avenue
Mammoth Cave National Park; National Park Service
Cave, New Discovery, walls of Onyx Avenue, man with lantern in picture
Mammoth Cave National Park; National Park Service
Cave, New Discovery, walls of Onyx Avenue, man with lantern in picture
Mammoth Cave National Park; National Park Service
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