Mammoth Cave National Park (Ky.)]]>
Caves]]>
Great Onyx Cave]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1933]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Caves]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1932]]>
Mammoth Cave National Park (Ky.)]]>
Great Onyx Cave]]>
Caves]]>
Unknown]]>
American Alpine Club Photo Collection]]>
.jpg]]>
Kentucky, 1900 to 1931]]>