UA0024 ***********************************************************************
UA0024  FBN         -  This is a Federal Base Network Control Station.
UA0024  DESIGNATION -  JEFFERSON PIER
UA0024  PID         -  UA0024
UA0024  STATE/COUNTY-  DC/DISTRICT OF COLUMBIA
UA0024  USGS QUAD   -  WASHINGTON WEST (1983)
UA0024
UA0024                         *CURRENT SURVEY CONTROL
UA0024  ___________________________________________________________________
UA0024* NAD 83(1993)-  38 53 23.29439(N)    077 02 11.56216(W)     ADJUSTED
UA0024* NAVD 88     -         7.021  (meters)      23.03   (feet)  ADJUSTED
UA0024  ___________________________________________________________________
UA0024  X           -   1,115,141.475 (meters)                     COMP
UA0024  Y           -  -4,844,303.274 (meters)                     COMP
UA0024  Z           -   3,982,786.777 (meters)                     COMP
UA0024  LAPLACE CORR-          -2.62  (seconds)                    DEFLEC99
UA0024  ELLIP HEIGHT-         -25.09  (meters)                     GPS OBS
UA0024  GEOID HEIGHT-         -32.04  (meters)                     GEOID99
UA0024  DYNAMIC HT  -           7.017 (meters)      23.02  (feet)  COMP
UA0024  MODELED GRAV-     980,097.6   (mgal)                       NAVD 88
UA0024
UA0024  HORZ ORDER  -  B
UA0024  VERT ORDER  -  FIRST     CLASS II
UA0024  ELLP ORDER  -  FOURTH    CLASS I
UA0024
UA0024.The horizontal coordinates were established by GPS observations
UA0024.and adjusted by the National Geodetic Survey in June 1994.
UA0024
UA0024.The orthometric height was determined by differential leveling
UA0024.and adjusted by the National Geodetic Survey in May 1999.
UA0024
UA0024.The X, Y, and Z were computed from the position and the ellipsoidal ht.
UA0024
UA0024.The Laplace correction was computed from DEFLEC99 derived deflections.
UA0024
UA0024.The ellipsoidal height was determined by GPS observations
UA0024.and is referenced to NAD 83.
UA0024
UA0024.The geoid height was determined by GEOID99.
UA0024
UA0024.The dynamic height is computed by dividing the NAVD 88
UA0024.geopotential number by the normal gravity value computed on the
UA0024.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
UA0024.degrees latitude (g = 980.6199 gals.).
UA0024
UA0024.The modeled gravity was interpolated from observed gravity values.
UA0024
UA0024;                    North         East     Units   Scale      Converg.
UA0024;SPC MD       -   445,452.19  1,301,931.42   sFT  0.99994988 -0 01 22.6
UA0024;SPC MD       -   135,774.099   396,829.489   MT  0.99994988 -0 01 22.6
UA0024;SPC VA N     - 2,136,780.280 3,626,959.747   MT  0.99995965 +0 54 48.1
UA0024;UTM  18      - 4,306,519.391   323,370.824   MT  0.99998418 -1 16 44.1
UA0024
UA0024                          SUPERSEDED SURVEY CONTROL
UA0024
UA0024  NAD 83(1993)-  38 53 23.29440(N)    077 02 11.56215(W) AD(       ) B
UA0024  NAD 27      -  38 53 22.89700(N)    077 02 12.64600(W) AD(       ) 3
UA0024
UA0024.Superseded values are not recommended for survey control.
UA0024.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
UA0024.See file dsdata.txt to determine how the superseded data were derived.
UA0024
UA0024_PROJECTION: FLUSH
UA0024_MAGNETIC: N = NO MAGNETIC MATERIAL
UA0024_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
UA0024+STABILITY: SURFACE MOTION
UA0024
UA0024  HISTORY     - Date     Condition        Recov. By
UA0024  HISTORY     - 1907     MONUMENTED       CGS
UA0024  HISTORY     - 1907     GOOD             CGS
UA0024  HISTORY     - 1940     GOOD             CGS
UA0024  HISTORY     - 19930909 GOOD             NGS
UA0024  HISTORY     - 19960718 GOOD             DMW
UA0024  HISTORY     - 19980928 GOOD             NGS
UA0024  HISTORY     - 19991122 GOOD             NGS
UA0024  HISTORY     - 20000330 GOOD             NGS
UA0024
UA0024                          STATION DESCRIPTION
UA0024
UA0024''DESCRIBED BY COAST AND GEODETIC SURVEY 1907 (OBF)
UA0024''JEFFERSON PIER IS A CONCRETE POST ABOUT NW OF THE WASHINGTON
UA0024''MONUMENT, VERY NEARLY IN THE LATITUDE OF THE CAPITOL DOME AND THE
UA0024''LONGTITUDE OF THE WHITE HOUSE.
UA0024
UA0024                          STATION RECOVERY (1907)
UA0024
UA0024''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1907
UA0024''RECOVERED IN GOOD CONDITION.
UA0024
UA0024                          STATION RECOVERY (1940)
UA0024
UA0024''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1940 (TMP)
UA0024''THIS STATION WAS RECOVERED.  THIS STATION IS LOCATED ON THE W
UA0024''SLOPE OF THE MOUND OF THE WASHINGTON MONUMENT, AND IS IN LINE
UA0024''WITH 16TH STREET EXTENDED, AND IN APPROXIMATE RANGE WITH THE
UA0024''N SIDE OF THE LINCOLN MEMORIAL.  IT IS IN A DEPRESSION ABOUT 8
UA0024''INCHES BELOW THE LINCOLN MEMORIAL.  IT IS IN A DEPRESSION ABOUT
UA0024''8 INCHES BELOW THE GENERAL GROUND SURFACE AND ABOUT 15 FEET IN
UA0024''DIAMETER.  THE MARK IS ABOUT 2 FEET SQUARE AT BASE AND ABOUT 6
UA0024''INCHES SQUARE AT TOP AND EXTENDS ABOUT 2 FEET ABOVE GROUND.
UA0024''
UA0024''THIS MARK IS SAID TO HAVE BEEN RAISED FROM TIME TO TIME AS WORK
UA0024''WAS DONE ON THE MONUMENT GROUNDS, BUT THE POSITION OF THE
UA0024''STATION IS SUPPOSED TO HAVE BEEN HELD EACH TIME.
UA0024
UA0024                          STATION RECOVERY (1993)
UA0024
UA0024''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1993
UA0024''THE STATION IS LOCATED IN WASHINGTON, D.C., ON THE WASHINGTON MONUMENT
UA0024''GROUNDS AT THE JEFFERSON PIER STONE WHICH LIES ON A LINE EXTENDING
UA0024''BETWEEN THE WHITE HOUSE AND THE JEFFERSON MEMORIAL. OWNERSHIP--UNITED
UA0024''STATES DEPARTMENT OF THE INTERIOR, NATIONAL PARK SERVICE.  CONTACT
UA0024''THE NATIONAL PARK SERVICE, TELEPHONE NUMBER (202) 485-9880.
UA0024''THE STATION IS A BRASS PLUG WITH A PUNCH MARK, SET IN THE CENTER OF A
UA0024''RECESSED CROSS IN THE TOP OF A 2 BY 2-FOOT GRANITE MONUMENT WHICH IS
UA0024''INSCRIBED POSITION OF JEFFERSON PIER ERECTED DECEMBER 18, 1804,
UA0024''RECOVERED AND RE-ERECTED DECEMBER 2, 1889, DISTRICT OF COLUMBIA AND
UA0024''PROJECTS 26 INCHES ABOVE THE GROUND.
UA0024''LOCATED 110 M (360.9 FT) WEST-NORTHWEST OF THE WASHINGTON MONUMENT AND
UA0024''13.0 M (42.7 FT) SOUTH OF THE SOUTH EDGE OF A 15-FOOT WIDE CONCRETE
UA0024''WALKWAY.
UA0024''NOTE--PERMISSION MUST BE OBTAINED FROM THE NATIONAL PARK SERVICE TO
UA0024''OCCUPY THIS STATION.
UA0024
UA0024                          STATION RECOVERY (1996)
UA0024
UA0024''RECOVERY NOTE BY DAFT MCCUNE WALKER INCORPORATED 1996 (JMS)
UA0024''RECOVERED AS DESCRIBED.
UA0024
UA0024                          STATION RECOVERY (1998)
UA0024
UA0024''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (RLA)
UA0024''RECOVERED AS DESCRIBED.
UA0024
UA0024                          STATION RECOVERY (1999)
UA0024
UA0024''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1999 (RWA)
UA0024''RECOVERED AS DESCRIBED.
UA0024
UA0024                          STATION RECOVERY (2000)
UA0024
UA0024''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2000 (RWA)
UA0024''RECOVERED AS DESCRIBED.