Few previous studies have compared microbial communities in subterranean and surface environments. Chemical analyses used to characterize the surface and cave microbial environments indicated limited exchange between surface and subsurface waters....
Polychlorinated biphenyls (PCBs) are persistent environmental pollutants which
are detectable in the serum of all American adults. Amongst PCB congeners,
PCB 153 has the highest serum level. PCBs have been dose-dependently
associated with suspected...
View of giant stalactites inside Mammoth Cave at The Altar. Text on verso: "In the foreground is a cluster of columns called the Altar, at which a romantic marriage took place between two parties whose union on the face of the earth was...
Large rock walls with a gap between. Title: Annetta's Dome at Mammoth Cave. Text on bottom: Views of Mammoth Cave and Vicinity. Text on top: 'These are pronounced the very best specimens of subterranean photography yet produced.' - Scientific...
Gothic Chapel in Mammoth Cave. This room within the cave system gives the illusion that it is supported by gigantic stalactites which extend from ceiling to floor. Mammoth Cave is the longest cave system in the world and located within Mammoth Cave...
Giant's Coffin in Mammoth Cave. This rock formation, resembling a large coffin, is forty feet long, twenty feet wide, and eight feet high. It is on the right of the Main Cave, one mile from the entrance. Mammoth Cave is the longest cave system in...
A man, suitably dressed for caving in tall black boots, walks through Deserted Chamber, a geological feature in Mammoth Cave. The Deserted Chamber is a room 100 feet in length within the cave system. Mammoth Cave is the longest cave system in the...
Mineral formation of gypsum inside Mammoth Cave. Mammoth Cave is the longest cave system in the world and located within Mammoth Cave National Park in Mammoth Cave, Kentucky.
Large rocks worn down and reshaped by large forces of water inside Mammoth Cave. Mammoth Cave is the longest cave system in the world and located within Mammoth Cave National Park in Mammoth Cave, Kentucky.
A large sandstone rock sits in the yard of the Mammoth Cave Hotel in Mammoth Cave, Kentucky. The hotel, which sits within the boundaries of the Mammoth Cave National Park, was built by John Croghan in 1841 and destroyed by fire in 1916. The rock...
Close-up view of pillars in the Mammoth Dome located in Mammoth Cave. Mammoth Cave is the longest cave system in the world and located within Mammoth Cave National Park in Mammoth Cave, Kentucky.
Aboveground view of a narrow opening leading down into Mammoth Cave. A ladder extends up through the opening which is surrounded by rocky ground and bare trees. Mammoth Cave is the longest cave system in the world and located within Mammoth Cave...
Cave Park Cliffs leading to cave entrance, Mammoth Cave Park, Kentucky. Frozen waterfall over rock cliffs. Thin, bare trees grow from the cliffs, above, and below. Caption on back: "Scene on path leading to new entrance of Mammoth Cave."
Entrance to Mammoth Cave, Mammoth Cave Park, Kentucky. A man climbs out of Mammoth Cave up a long, railed stairway. The cave entrance is rock growing with grass and leaves.
Mammoth Cave Park, Kentucky. Caption on back: "Remains of saltpeter leading vats in Mammoth Cave where nitrates were obtained for the American army and navy gunpowder in the War of 1812. Note crude wooden water pipe in foreground." A man...
Cumberland Falls State Park (Ky.); Historic preservation--Kentucky
This thesis is an examination of Louisville Times editor Tom Wallace's fight to prevent the construction of a hydroelectric dam at Cumberland Falls, Kentucky between 1926 and 1931. By mining Wallace's recently cataloged personal papers, this study...
Hotels; Mammoth Cave Hotel (Ky.); Buildings; Swings; Trees
On the grounds of Mammoth Cave Hotel at Mammoth Cave National Park. Possible view of the back of the hotel, built by John Croghan in 1841 and destroyed by fire in 1916. A long white building with individual porches and doors sits among trees and a...
Hotels; Mammoth Cave Hotel (Ky.); Buildings; Trees
Mammoth Cave Hotel at Mammoth Cave National Park, built by John Croghan in 1841 and destroyed by fire in 1916. Hotel was 200 feet long with piazzas extending the whole length of the building and two buildings adjacent to each end which held a...