RD0435 ***********************************************************************
RD0435  DESIGNATION -  54
RD0435  PID         -  RD0435
RD0435  STATE/COUNTY-  OR/MULTNOMAH
RD0435  USGS QUAD   -  PORTLAND (1990)
RD0435
RD0435                         *CURRENT SURVEY CONTROL
RD0435  ___________________________________________________________________
RD0435* NAD 83(1986)-  45 31 07.     (N)    122 40 42.     (W)     SCALED
RD0435* NAVD 88     -        17.886  (meters)      58.68   (feet)  ADJUSTED
RD0435  ___________________________________________________________________
RD0435  GEOID HEIGHT-         -22.76  (meters)                     GEOID99
RD0435  DYNAMIC HT  -          17.887 (meters)      58.68  (feet)  COMP
RD0435  MODELED GRAV-     980,631.0   (mgal)                       NAVD 88
RD0435
RD0435  VERT ORDER  -  FIRST     CLASS II
RD0435
RD0435.The horizontal coordinates were scaled from a topographic map and have
RD0435.an estimated accuracy of +/- 6 seconds.
RD0435
RD0435.The orthometric height was determined by differential leveling
RD0435.and adjusted by the National Geodetic Survey in June 1991.
RD0435
RD0435.The geoid height was determined by GEOID99.
RD0435
RD0435.The dynamic height is computed by dividing the NAVD 88
RD0435.geopotential number by the normal gravity value computed on the
RD0435.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
RD0435.degrees latitude (G = 980.6199 gals.).
RD0435
RD0435.The modeled gravity was interpolated from observed gravity values.
RD0435
RD0435;                    North         East    Units  Estimated Accuracy
RD0435;SPC OR N     -   208,090.    2,329,840.      MT  (+/- 180 meters Scaled)
RD0435
RD0435                          SUPERSEDED SURVEY CONTROL
RD0435
RD0435  NGVD 29     -        16.822  (m)           55.19   (f) ADJUSTED    1 2
RD0435
RD0435.Superseded values are not recommended for survey control.
RD0435.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
RD0435.See file dsdata.txt to determine how the superseded data were derived.
RD0435
RD0435_MARKER: DD = SURVEY DISK
RD0435_SETTING: 40 = BUILDING FOUNDATION
RD0435_STAMPING: 54.796 A
RD0435_MAGNETIC: N = NO MAGNETIC MATERIAL
RD0435_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD
RD0435+STABILITY: POSITION/ELEVATION WELL
RD0435
RD0435  HISTORY     - Date     Condition        Recov. By
RD0435  HISTORY     - 1898     MONUMENTED       USGS
RD0435  HISTORY     - 1958     MONUMENTED       CGS
RD0435  HISTORY     - 1958     GOOD             NGS
RD0435  HISTORY     - 1987     GOOD             NGS
RD0435  HISTORY     - 1990     GOOD             USPSQD
RD0435  HISTORY     - 19960605 GOOD             NGS
RD0435
RD0435                          STATION DESCRIPTION
RD0435
RD0435''DESCRIBED BY COAST AND GEODETIC SURVEY 1958 (ANS)
RD0435''STATION IS STANDARD USGS BM IN THE PIONEER POST OFFICE, ON SOUTH
RD0435''SIDE OF SW MORRISON ST. AND BETWEEN SW FIFTH AND SW SIXTH AVENUES
RD0435''IN PORTLAND.  MARK IS SET VERTICALLY IN FACE OF BUILDING 2 FEET
RD0435''EAST OF THE MORRISON STREET ENTRANCE AND 3 FEET ABOVE THE
RD0435''GROUND.  IT IS STAMPED 54.796 A.  THE .796 APPEARS TO HAVE BEEN
RD0435''STAMPED AT A LATER DATE THAN THE 54 AND A.  THERE IS NO READABLE
RD0435''STAMPING S 14 1898 AS GIVEN IN DESCRIPTION OF BENCH MARK S
RD0435''14-54 (USGS).
RD0435
RD0435                          STATION RECOVERY (1958)
RD0435
RD0435''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1958
RD0435''IN PORTLAND.
RD0435''IN PIONEER POST OFFICE, DOWNTOWN PORTLAND, ON SOUTH SIDE OF SW
RD0435''MORRISON BETWEEN SW FIFTH AND SW SIXTH.  SET VERTICALLY IN FACE OF
RD0435''BUILDING ABOUT 2 FEET EAST OF MORRISON STREET ENTRANCE.  A STANDARD
RD0435''USGS DISK STAMPED 54.796 A.  THE .796 APPEARS TO HAVE BEEN STAMPED
RD0435''LATER THAN THE 54 AND THE A.  NO READABLE STAMPING S 14 1898 AS GIVEN
RD0435''IN ORIGINAL DESCRIPTION.
RD0435
RD0435                          STATION RECOVERY (1987)
RD0435
RD0435''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987
RD0435''RECOVERED IN GOOD CONDITION.  NEW DESCRIPTION FOLLOWS.  IN PORTLAND,
RD0435''AT 520 SOUTHWEST MORRISON STREET, SET VERTICALLY IN THE NORTH FACE OF
RD0435''THE PIONEER POST OFFICE BUILDING, IN THE FIRST COURSE OF STONE ABOVE
RD0435''THE WATER TABLE, 0.06 M (0.2 FT) EAST OF THE EAST DOOR FRAME OF THE
RD0435''ENTRANCE TO THE BUILDING.  NOTE--A RUBBING WAS TAKEN AND THE STAMPING
RD0435''IS 54.796 A.
RD0435''THE MARK IS 1.3 M ABOVE THE GROUND.
RD0435
RD0435                          STATION RECOVERY (1990)
RD0435
RD0435''RECOVERY NOTE BY US POWER SQUADRON 1990 (KRN)
RD0435''RECOVERED IN GOOD CONDITION.
RD0435
RD0435                          STATION RECOVERY (1996)
RD0435
RD0435''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1996 (LLR)
RD0435''THE MARK WILL STILL BE IN PLACE BUT THE BUILDING WILL BE RAISED.
RD0435''DESCRIBED BY LYLE L.  RIGGERS.