Caves]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1945]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Caves]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1944]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Caves]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1943]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Caves]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1942]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Caves]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1941]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Caves]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1940]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Caves]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1939]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Caves]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1938]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Caves]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1937]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Caves]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1936]]>