(Encyclopedia) Yosemite National Park y?s?m?t?, 748,436 acres (302,881 hectares), E central Calif.; est. 1890 as a result of the efforts of conservationist John Muir. Located in the Sierra Nevada,? (Encyclopedia) Merced m?rs?d, city (1990 pop. 56,216), seat of Merced co., central Calif.; inc. 1889. It is a growing city and a center for tourism and farm trade in a cotton, fruit, and dairy? (Encyclopedia) Hetch Hetchy Valley, in Yosemite National Park, central Calif., on the Tuolumne River. It once rivaled Yosemite Valley in beauty and grandeur. O'Shaughnessy Dam (completed 1923;? (Encyclopedia) Owens, river, c.120 mi (190 km) long, rising in the Sierra Nevada, E Calif., SE of Yosemite National Park and flowing SE, to enter Owens Lake, near Mt. Whitney. Since 1913, at a point? (Encyclopedia) sequoia s?kwoi?, name for the redwood (Sequoia sempervirens) and for the big tree, or giant sequoia (Sequoiadendron giganteum), both huge, coniferous evergreen trees of the bald? (Encyclopedia) glacier, moving mass of ice that survives year to year, formed by the compacting of snow into nv and then into granular ice and set in motion outward and downward by the force of? 37, motel handyman, confessed to the July killing of a 26-year-old Yosemite National Park naturalist, Joie Ruth Armstrong, and the February massacre of three sight-seers, Carole Sund, 42;? Ansel Adams's stark, detailed photographs of Yosemite National Park are among the most recognizable images in the world. Adams was a piano player who turned his attention to photography in the 1920s? John Muir was an early American conservationist who has been called "The Father of the National Parks System." Muir came to the United States in 1849 and studied at the University of Wisconsin (1859? Yosemite Valley, Calif.Designed in 1928 by Gilbert Stanley Underwood photo by Carol M. Highsmith The American Institute of Architects and Harris Interactive selected Ahwahnee?