Global Positioning System (GPS) survey of Mount McKinley

From the U.S. Geological Survey (USGS):

North America’s Highest Peak to be Surveyed: The USGS, along with NOAA’s National Geodetic Survey (NGS), and the University of Alaska Fairbanks (UAF), are supporting a Global Positioning System (GPS) survey of Mount McKinley, the highest point in North America. Surveying technology and processes have improved greatly since the last physical survey in 1953 which set the summit peak elevation at 20.320 ft. An experienced team of four climbers will start the precarious trek to the peak with the needed scientific instruments in tow, in the middle part of June. They plan to return on or before July 7 and announce an updated elevation in late August. http://on.doi.gov/1BdmALu