Latest Posts

Arrow at SL-O #38 site
Feb17
Salt Lake—Omaha Beacon Sites #38 and #42

Jack Breeding has submitted some photos for beacon sites #38 and #42 on the Salt Lake—Omaha airway!


Dec25
Government Shutdown: Services Unavailable

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.


Dec05
Kentucky USGS Datasheets Available

USGS datasheets for Kentucky are available!


Oct23
Ohio USGS Datasheets Available

USGS datasheets for Ohio are now available!


Oct15
Pennsylvania USGS Datasheets Available

USGS datasheets for Pennsylvania are now available!


About This Site

Follow along with Zhanna as she searches for survey marks, airway beacons, and other relics of infrastructure!
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