Jack Breeding has submitted some photos for beacon sites #38 and #42 on the Salt Lake—Omaha airway!
U.S. government shutdown results in the unavailability of NGS and USGS websites. Alternate locations for some data are given. NOAA’s Tides and Currents website is not affected.
USGS datasheets for Kentucky are available!
USGS datasheets for Ohio are now available!
USGS datasheets for Pennsylvania are now available!