Keywords: Sinnott Memorial Building at Crater Lake National Park 1981.jpg Sinnott Memorial Observation Station 1981 http //www nps gov/archive/crla/hrs/hrs10e htm 2008-03-19 <br/> original text 1 18 march 2008 Orygun wikipedia en <br/> original text 1 National Park Service Public Domain PD-USGov original upload log en wikipedia Werewombat page en wikipedia Sinnott_Memorial_Building_at_Crater_Lake_National_Park 2C_1981 jpg 2008-03-19 02 10 Orygun 500×336×8 21752 bytes <nowiki> Sinnott Memorial Observation Station 1981 http //www nps gov/archive/crla/hrs/hrs10e htm 18 march 2008 Crater Lake National Park National Park Service Public Domain </nowiki> Sinnott Memorial Observation Station Black and white photographs of Oregon |