Shared Solution

PID: DI3808
Designation: 857 4680 B TIDAL
Stamping: 4680 B 1997
Stability: Monument will probably hold position well
Setting: Stainless steel rod in sleeve (10FT+ or 3.048M+)
Mark Condition: G
Description: 857 4680 B Tidal is located at Fort Mchenry U.S. Army Corps Of Engineers field office Baltimore, MD. 80.64 ft SW from the Seawall, and 15.68 ft NNE of the NE face of the office building #2. Stainless steel rod driven 40.03ft to refusal, encased in a 5 inch NGS logo cap.
Observed: 2025-01-08T15:17:00Z more obs 2021-12-13
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: 39° 15' 58.28609" ±  0.011   m
LON: -76° 34' 45.99174" ±   0.002   m
ELL HT: -31.485 ±   0.012   m
X: 1147638.521 ±   0.004  m
Y: -4809626.759 ±   0.008  m
Z: 4015219.991 ±   0.014  m
ORTHO HT: 1.364 ±  0.053   m
UTM  18 SPC  1900(MD)
NORTHING: 4347505.545m 177640.602m
EASTING: 363743.798m 436293.406m
CONVERGENCE: -0.99981944° 0.26395556°
POINT SCALE: 0.99982860 0.99997301
COMBINED FACTOR: 0.99983354 0.99997795
CONTRIBUTED BY
jonathan.l.mcwhorter
US Army Corps Of Engineers
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.