Shared Solution

PID:	BBDN74
Designation:	857 9997 TIDAL 5430 T.S.
Stamping:	5430 T.S.
Stability:	Most reliable; expected to hold position well
Setting:	Abutment or pier of large bridges
Description:	WSSC disc flush on NW corner of W abutment of US 1 Alt South (Annapolis Road) over Anacostia River in Bladensburg. 0.41M SE of brick wall N of sidewalk; 0.51M SW of bridge expansion joint with rubber gasket; 1.16M NW of street edge of curb.
Observed:	2014-07-01T12:29:00Z
Source:	OPUS - page5 1209.04

Close-up View

REF_FRAME: NAD_83(2011)

EPOCH: 2010.0000

SOURCE: NAVD88 (Computed using GEOID18)

UNITS: m

SET PROFILE

DETAILS

LAT:	38� 56' 19.02516"	� 0.013 m
LON:	-76� 56' 36.31324"	� 0.002 m
ELL HT:	-24.673	� 0.010 m
X:	1122244.670	� 0.002 m
Y:	-4839168.728	� 0.003 m
Z:	3987003.510	� 0.016 m
ORTHO HT:	7.505	� 0.054 m

	UTM 18	SPC 1900(MD )
NORTHING:	4311760.726m	141193.755m
EASTING:	331563.663m	404905.281m
CONVERGENCE:	-1.22170224�	0.03551132�
POINT SCALE:	0.99994936	0.99995045
COMBINED FACTOR:	0.99995323	0.99995432

	CONTRIBUTED BY
	louis.wright
	Maryland Department Of Natural Resources

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.