Shared Solution

PID:	GV0156
Designation:	R 462
Stamping:	R 462 1971
Stability:	Monuments of questionable or unknown reliability
Setting:	A metal rod with base plate buried/screwed into ground
Mark Condition:	G
Description:
Observed:	2026-04-21T16:07:00Z	more obs 2026-04-23
Source:	OPUS - page5 2008.25

Close-up View

REF_FRAME: NAD_83(2011)

EPOCH: 2010.0000

SOURCE: NAVD88 (Computed using GEOID18)

UNITS: m

SET PROFILE

DETAILS

LAT:	37� 59' 45.19759"	� 0.006 m
LON:	-76� 27' 48.57739"	� 0.000 m
ELL HT:	-33.825	� 0.003 m
X:	1177974.424	� 0.001 m
Y:	-4892880.628	� 0.003 m
Z:	3905063.493	� 0.006 m
ORTHO HT:	1.069	� 0.045 m

	UTM 18	SPC 4502(VA S)
NORTHING:	4206369.229m	1186438.479m
EASTING:	371498.570m	3678868.449m
CONVERGENCE:	-0.90105833�	1.23600556�
POINT SCALE:	0.99980337	1.00000546
COMBINED FACTOR:	0.99980868	1.00001077

	CONTRIBUTED BY
	richard.girard
	Center for Operational Oceanographic Products and Services

Horizon View

The numerical values for this position solution have satisfied the quality control criteria of the National Geodetic Survey. The contributor has verified that the information submitted is accurate and complete.