Shared Solution

PID:	BBDK92
Designation:	863 7689 C
Stamping:	7689 C 2008
Stability:	Most reliable; expected to hold position well
Setting:	A metal rod driven into ground. Describe below.
Mark Condition:	G
Description:	THE BENCH MARK IS LOCATED AT THE HIGH POINT OF A HILL IN THE VICINITY OF THE EXECUTIVE OFFICER'S HOUSE, BEING A S/S ROD DRIVEN 24.2 M TO REFUSAL AND ENCASED IN A CONCRETE KICK BLOCK BETWEEN PARKING LOTS 2 AND 9. 28.10 M SOUTHWEST AND UP THE HILL FROM THE NORTHWEST EDGE OF PARKING LOT 9, 20.0 M NORTHEAST OF THE NORTHWEST EDGE OF PARKING LOT NUMBER 2, 16.70 M WEST-SOUTHWEST AND UP THE HILL FROM A 2.9 M X 4.8 M CONCRETE PAD HOLDING POWER TRANSFORMERS, AND 1.0 M EAST OF A WITNESS POST.
Observed:	2020-01-10T13:15:00Z	more obs 2016-08-11
Source:	OPUS - page5 1801.18

Close-up View

REF_FRAME: NAD_83(2011)

EPOCH: 2010.0000

SOURCE: NAVD88 (Computed using GEOID18)

UNITS: m

SET PROFILE

DETAILS

LAT:	37� 13' 15.38098"	� 0.006 m
LON:	-76� 28' 57.78790"	� 0.006 m
ELL HT:	-27.674	� 0.014 m
X:	1188602.317	� 0.009 m
Y:	-4944314.880	� 0.011 m
Z:	3836930.275	� 0.009 m
ORTHO HT:	8.212	� 0.059 m

	UTM 18	SPC 4502(VA S)
NORTHING:	4120412.053m	1100414.257m
EASTING:	368452.223m	3679017.876m
CONVERGENCE:	-0.89701111�	1.22433889�
POINT SCALE:	0.99981317	0.99994866
COMBINED FACTOR:	0.99981751	0.99995300

	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.