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Before Mount Mazama Was
How Mount Mazama Rose
Mount Mazama at the time of maximum
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Annie Creek blocks caldera caldera wall caldron canyons Cascade Range Cascade volcanoes chamber Cleetwood clouds collapse color cone cooled cracks Crater Lake crust cubic miles dacite deep deposits dike dust Dutton Cliff east eruptions explosions feeding pipe feet fell flows of lava fragments frothy Garfield Peak geologist glacial material glaciers glowing avalanches High Cascade Hillman Peak hot gases ice scratches Kerr Notch Klamath Krakatoa landscape Lassen Peak lava and ash lava flows layer of glacial Llao Rock look lumps melting million molten rock moraines moun Mount Mazama mountain Naturalist Park pasty piled pinnacles plateau polished poured pressure pumice pumice blown rain red-hot Redcloud replied ridges rivers roar sand shattered sides slopes snow solidified someone asked spread square miles steam summit surface thick thousand top of Mount trees Union Peak valley floors vents violent volcanic pipe walls of Crater Watchman wind Wizard Island