Ghost towns & mining
More Lists by slgwv
Historic transportation infrastructure
Historic transportation infrastructure
51
Including Lehigh Gorge Scenic Railway, Beverly Bridge, and Renslow Trestle
Airmail arrows
Airmail arrows
Surviving concrete arrows from a 1920s-era navigation system across the US for airmail pilots.
6
Including Quail Creek Airmail Arrow, Moapa Airmail Arrow, and Lovelock Airmail Arrow
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