29 RESET — NGS RD0471 — Portland, US
USNGStrigunknown#5625
Latitude
45.529444°
Longitude
-122.669444°
Ortho h
11.85 m
Verifications
0
Last checked
Never
This trigonometric station is part of the National Geodetic Survey's triangulation network, which establishes fundamental control points for surveying and mapping across the United States. Located near Portland, Oregon, at coordinates 45.52944° N, 122.66944° W, this point serves as a reference for horizontal positioning in the region.
Trigonometric stations of this type were historically established through systematic triangulation surveys to create a framework of known positions. Such benchmarks remain valuable for verifying modern survey work, particularly GPS and conventional surveying operations that depend on accurate control networks.
The availability and accessibility of well-documented control points supports surveyors, cartographers, and engineering professionals requiring reliable geodetic references. Proper maintenance and verification of these stations ensure continued utility for regional surveying activities and spatial data integration.
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