Survey Mark Hunting
Survey Mark Data
Airway Beacons
Posts
About

Agency: NYSDOT

51-051
PTOLEMY

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

PROP COR REF EL 329.99
327.50
X 248
B 46
IRVING AZ MK

Contact Zhanna

Name

Email

Comment

©2025 • Zhanna's SurveyStation