Kentucky USGS Datasheets Available

Posted on December 5, 2018 by Zhanna

USGS datasheets for Kentucky are available!

Ohio USGS Datasheets Available

Posted on October 23, 2018 by Zhanna

USGS datasheets for Ohio are now available!

Posted on October 15, 2018 by Zhanna

USGS datasheets for Pennsylvania are now available!

Posted on October 13, 2018 by Zhanna

USGS datasheets for West Virginia are now available!

Posted on October 12, 2018 by Zhanna

USGS datasheets for Maryland are now available!

Posted on October 11, 2018 by Zhanna

Dave Izatt has submitted photos of another arrow, this one at Great Salt Lake in Utah.

Posted on October 10, 2018 by Zhanna

A humorous take on what can happen to survey monuments over time.

Posted on May 6, 2018 by Zhanna

Dave Izatt has submitted some photos of the arrow at the site of San Francisco—Salt Lake Airway Beacon 57!

Posted on March 20, 2018 by Zhanna

Submit your data and observations to help build and refine GEOID18!

Posted on February 15, 2018 by Zhanna

Airway beacon data is now available in GeoJSON format.