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]]> 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]]>