'Four Roses' gypsum flowers in Cleveland Avenue area of cave
Mammoth Cave National Park; National Park Service
'Four Roses' gypsum flowers in Cleveland Avenue area of cave
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, New Discovery, a guide looking at gypsum
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, 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, rock with gypsum deposits
Mammoth Cave National Park; National Park Service
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