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Geology of National Parks, 3D and Photographic Tours

Saguaro National Park

Saguaro (Carnegiea gigantea), teddybear cholla (Cylindropuntia bigelovii), and ocotillo (Fouquieria splendens) grow along the Cactus Forest Drive. A Tucson suburb is visible in the distance (USDA, [2010, 2010c, 2010d]).


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