Latest Posts

Benchmarks from Harris, Montgomery, Walker Counties, Texas

Thanks to Will Awalt of Jones|Carter, we have some new benchmark data for Texas!

New York USGS Datasheets Available

New York USGS datasheets are available. They include some very interesting history!

North Carolina USGS Datasheets Available

USGS datasheets for North Carolina are available!

Zhanna points to RM 2
Finding RHONDA

Rich and I wrote Finding RHONDA in 2008 as a contribution to Rhonda Rushing’s online publication Caching Now. That publication seems to be defunct now and the previous content is gone, so I’m publishing our article here in its original form.

Arrow at SL-O #38 site
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!

About This Site

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