Shared Solution

PID:	BBDN24
Designation:	844 2645 C
Stamping:	2645 C 1992
Stability:
Setting:	Object surrounded by mass of concrete
Mark Condition:	G
Description:	The bench mark is a disk set in a circular concrete flagpole base located on the NE side of the discharge channel, approximately 8.9 m (29.2 ft) NW of the SW corner of the cement pavers laid for a memorial site, 8.0 m (26.2 ft) WSW of the eastern edge of the guard rail at the entrance to the peninsula on the eastern side of the discharge channel, and 1.9 m (6.2 ft) north of a memorial bench inscribed "Darwin's Fishing Hole".
Observed:	2021-07-06T11:53:00Z	more obs 2014-06-17
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:	42� 31' 31.63937"	� 0.006 m
LON:	-70� 52' 32.49253"	� 0.009 m
ELL HT:	-23.757	� 0.015 m
X:	1542340.067	� 0.014 m
Y:	-4447908.651	� 0.011 m
Z:	4288783.022	� 0.005 m
ORTHO HT:	3.270	� 0.065 m

	UTM 19	SPC 2001(MA M)
NORTHING:	4709824.399m	919621.912m
EASTING:	345941.717m	251295.196m
CONVERGENCE:	-1.26806111�	0.41936667�
POINT SCALE:	0.99989201	0.99998059
COMBINED FACTOR:	0.99989574	0.99998432

	CONTRIBUTED BY
	benjamin.gavin
	National Oceanic and Atmospheric Administration

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.