Keywords: Lassen Sulphur Works.jpg Lassen National Park The Sulphur Works as seen from the southeast Natural heat has melted the snow cover ациональный па к Lassen в США Вид с юго-востока на Sulphur Works Се ные вы аботки Естественное тепло астопило снежный пок ов own 2005-05-23 Smack talk Public domain Smack Sulphur Works Hydrothermal alteration in Lassen Volcanic National Park |