National Geographic : 1945 Nov
© National Geographic Society Kodachrome byLuther iL. bovran There Is a Rumble Like Thunder and the Ground Shakes When Great Geysir Starts toFling a150-foot Hot Shower Geysir, literally the Gusher, gave its name to Yellowstone's and New Zealand's geysers. Steam generated by superheated rocks runs itsboiler. About three decades ago it broke down; in 1935 it resumed violently. When the column falls, Icelanders and Americans will rush onto the silica basin and peer into the 70-foot-deep shaft.