Pennsylvania USGS Datasheets Available
USGS datasheets for Pennsylvania are now available!
West Virginia USGS Datasheets Available
USGS datasheets for West Virginia are now available!
Maryland USGS Datasheets Posted!
USGS datasheets for Maryland are now available!
Arrow at Great Salt Lake, UT
Dave Izatt has submitted photos of another arrow, this one at Great Salt Lake in Utah.
The Life of a Survey Monument
A humorous take on what can happen to survey monuments over time.
Arrow Northeast of Low, UT
Dave Izatt has submitted some photos of the arrow at the site of San Francisco—Salt Lake Airway Beacon 57!
GPS on Bench Marks—Volunteer Opportunity!
Submit your data and observations to help build and refine GEOID18!
Airway Beacon Files Available in GeoJSON Format
Airway beacon data is now available in GeoJSON format.
1932 Newspaper Article: New Beacon on Red Butte Mountain near Salt Lake City, UT
Dave DuPree has found an article from 1932 describing a new 36″ beacon being put in place on Red Butte mountain.
Video Showing the Remains of Beacon 32, Needle Peak, NV
Jack Fawcett has found a video showing what remains of Beacon #32.