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MtRitter.doc
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1993-04-17
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The Ritter Range
The Ritter Range is in the Sierra Nevada in California, just
east of Yosemite National Park and just west of Devil's Post Pile
National Monument and the Mammoth Mountain ski area, at the headwaters
of the Middle Fork of the San Joaquin River. The highest peak, Mount
Ritter, is over 13,000 feet, and the large lakes to the northeast are
Garnet Lake and Thousand Island Lake. The area is part of the Minaret
Wilderness.
The Mount Ritter 7.5-minute DEM contains quite noticeable artifacts
similar to much of the older DEM data from the Pacific Coast states,
including areas of regularly spaced East-West grooves, some quite
exaggerated. The sharp knife-edge ridge a little to the west of the
southern end of the range is one such artifact. A few of the smaller and
more isolated artifacts have been removed by hand. Points are spaced by
30 meters both West to East and South to North in the Universal Transverse
Mercator coordinate system.
The YosemiteE.DEMset file will set up the rendering parameters
appropriately for this area. Select it in the first file requester
that appears when you Save Data from GeoRama program. You can use this
as a starting point for your own rendering scheme.