Lassen Peak (Calif.)]]> Lassen Volcanic National Park (Calif.)]]> volcanic eruptions]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]> Lassen Peak (Calif.)]]> Lassen Volcanic National Park (Calif.)]]> volcanic eruptions]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]> Lassen Peak (Calif.)]]> Lassen Volcanic National Park (Calif.)]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]> Lassen Volcanic National Park (Calif.)]]> hot springs]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]> Lassen Peak (Calif.)]]> Lassen Volcanic National Park (Calif.)]]> volcanic craters]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]> Hetch Hetchy Valley (Calif.)]]> Wapama Falls]]> Waterfalls]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]> Hetch Hetchy Valley (Calif.)]]> Wapama Fall]]> Waterfalls]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]> Hetch Hetchy Valley (Calif.)]]> Wapama Fall]]> Waterfalls]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]> Tuolumne River Valley (Calif.)]]> Cliffs]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]> Tolumne Canyon, CA]]> Water Wheel Falls]]> Waterfalls]]> American Alpine Club Photo Collection]]> American Alpine Club Photo Collection]]> .jpg]]> California, 1900 to 1930]]>