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Biosphere II Bryce Canyon White Sands Arches National Park Bush Arches National Park Roswell 3000m above Sealevel Arches National Park Bryce Canyon Death Valley Saguaro National Park Grand Canyon Bryce Canyon Rock Formations Prairie Dog Bryce Canyon Arches National Park Trunk Puma Roswell Bad Water Arches National Park Arches National Park Hoover Dam Arches National Park Valley of Fire Valley of Fire White Sands Bad Water Landscape Truck Bryce Canyon Cactus Arches National Park Sandstone Enterprise Grand Canyon Highway Death Valley Roswell White Sands Very Large Array Mountain top Highway with Fata Morgana Valley of Fire Valley of Fire Kitt Peak Arches National Park Kitt Peak Bryce Canyon Death Valley Arches National Park Valley of Fire Grand Canyon White Sands Highway with Fata Morgana Sunset Crater Traces in Sand Arches National Park Kitt Peak Bad Water
DateChanges
2000-02-19PDF document The Scheiner Method (german only)