Crater Lake National Park (Oregon) ID: 1073 3283 1655 0111 [detail] Charles Webber © 2002 California Academy of Sciences	Mount Thielsen and Pumice Desert (150ft thick) ID: 1336 3162 2014 0041 [detail] Gerald and Buff Corsi © 2004 California Academy of Sciences	Pumice Desert (150ft thick) ID: 1336 3162 2014 0042 [detail] Gerald and Buff Corsi © 2004 California Academy of Sciences	Crater Lake National Park (Oregon) ID: 1336 3162 1813 0050 [detail] Jo-Ann Ordano © 2005 California Academy of Sciences
Crater Lake National Park (Oregon) ID: 1336 3162 1813 0051 [detail] Jo-Ann Ordano © 2005 California Academy of Sciences	Crater Lake National Park (Oregon) ID: 1336 3162 1813 0052 [detail] Jo-Ann Ordano © 2005 California Academy of Sciences	Crater Lake National Park (Oregon) ID: 1336 3162 1813 0053 [detail] Jo-Ann Ordano © 2005 California Academy of Sciences	The Phantom Rock ID: 1351 3151 0897 0080 [detail] Gerald and Buff Corsi © 2005 California Academy of Sciences
Devil's Backbone ID: 1351 3151 0897 0081 [detail] Gerald and Buff Corsi © 2005 California Academy of Sciences	Pumice Castle/Crater Wall, Crater Lake National Park, Oregon ID: 6666 6666 0310 0111 [detail] Gerald and Buff Corsi © 2010 California Academy of Sciences

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