Survey Mark Hunting
Survey Mark Data
Airway Beacons
Posts
About

Agency: Delaware and Hudson Railroad

Survey marks from Delaware and Hudson Railroad

L 139 RESET 1944
911.09
876.98
867.19
942.29
853.89

Popular Pages

Map of Airway Beacons
Airway Beacons—Western U.S.
Airway Beacons—Eastern U.S.
Local Control Monument Databases
NGS Historical Geodetic Control Diagrams
USGS Datasheets
Resurvey of the Heart of the Grand Canyon

Recent Recoveries

P 230
NPS (Unstamped, Acadia #23)
NPS (Unstamped, Acadia #22)
NPS (Unstamped, Acadia #21)
G 145

Contact Zhanna

Name

Email

Comment

Don’t fill this out if you’re human:

©2026 • Zhanna's SurveyStation