Sequoia National Park (Calif.)]]> Crystal Cave (Calif.)]]> Giant Forest (Calif.)]]> Speleothems]]> Stalactites & stalagmites]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]> Sequoia National Park (Calif.)]]> Crystal Cave (Calif.)]]> Giant Forest (Calif.)]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]> American Alpine Club Photo Collection]]> .jpg]]> Colorado, 1900 to 1930]]> Cabins]]> Andrew James Gilmour]]> jpg]]> Antarctica--Discovery and exploration]]> Nicholas B. Clinch]]> jpg]]> Antarctica, 1966 to 1967]]> Glaciers]]> Andrew James Gilmour]]> jpg]]> Alps, Swiss (Switzerland)]]> Blanche, Dent (Switzerland)]]> Andrew James Gilmour]]> jpg]]> Alps, Swiss (Switzerland)]]> Blanche, Dent (Switzerland)]]> Glaciers]]> Switzerland]]> Andrew James Gilmour]]> jpg]]> Andrew James Gilmour]]> jpg]]> Andrew James Gilmour]]> jpg]]>