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]]> Great Onyx Caves]]> Mammoth Cave National Park (Ky.)]]> Caves]]> Unknown]]> American Alpine Club Photo Collection]]> .jpg]]> Kentucky, 1900 to 1935]]> Mammoth Cave National Park (Ky.)]]> Great Onyx Caves]]> Caves]]> Unknown]]> American Alpine Club Photo Collection]]> .jpg]]> Kentucky, 1900 to 1934]]> 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]]> Grand Teton National Park (Wyo.)]]> Teton Wilderness (Wyo.)]]> Teton Range (Wyo. and Idaho)]]> Bison]]> Unknown]]> American Alpine Club Photo Collection]]> .jpg]]> Wyoming, 1900 to 1974]]>