47 — NGS RD3273 — Portland, US
USNGStrigunknown#5769
Latitude
45.547421°
Longitude
-122.692004°
Ortho h
7.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network of control points that form the foundation of the United States' surveying and mapping infrastructure. Located near Portland, Oregon, at coordinates 45.54742°N, 122.69200°W, this trig point serves as a reference for establishing accurate horizontal positions across the region.
Triangulation stations of this type were established to create a framework of precisely known positions from which surveyors could conduct local and regional surveys. The point contributes to geodetic networks used for mapping, engineering projects, and property boundary determination.
Verification and documentation of such benchmarks remain valuable for the surveying profession, as they provide fixed reference points for confirmation of survey work and equipment calibration. Maintaining accurate records of these control points ensures the integrity of spatial data and surveying activities in the region.
Verify this point
Sign in to submit a verification from the field.
Verification history (0)
No verifications yet. Be the first to check this point!