Shared Solution

PID:	BBBJ42
Designation:	844 0273 NO STAMPING 2
Stamping:	MASSACHUSETTS DPW
Stability:	Monument will probably hold position well
Setting:	Abutment or pier of large bridges
Description:	Located in the SW concrete abutment of the main street bridge over the Merrimack River, 4.6 m WSW of the centerline of main street, 4.08 m NNE of the N corner of the bridge tenders house, and 0.21 m NW of the SE edge of the abutment.
Observed:	2009-06-04T12:04:00Z	more obs Latest
Source:	OPUS - page5 0810.20

Close-up View

REF_FRAME: NAD_83(CORS96)

EPOCH: 2002.0000

SOURCE: NAVD88 (Computed using GEOID03)

UNITS: m

SET PROFILE

DETAILS

LAT:	42� 50' 5.47980"	� 0.023 m
LON:	-70� 54' 25.93267"	� 0.031 m
ELL HT:	-19.799	� 0.040 m
X:	1532273.273	� 0.034 m
Y:	-4426741.073	� 0.013 m
Z:	4314052.805	� 0.044 m
ORTHO HT:	7.163	� 0.048 m

	UTM 19	SPC 2001(MA M )
NORTHING:	4744240.175m	953972.815m
EASTING:	344129.084m	248467.311m
CONVERGENCE:	-1.29694429�	0.39819839�
POINT SCALE:	0.99989890	1.00002580
COMBINED FACTOR:	0.99990201	1.00002891

	CONTRIBUTED BY
	stephen.randall
	National Geodetic Survey

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.