RD0445 ***********************************************************************
RD0445  DESIGNATION -  76
RD0445  PID         -  RD0445
RD0445  STATE/COUNTY-  OR/MULTNOMAH
RD0445  USGS QUAD   -  PORTLAND (1990)
RD0445
RD0445                         *CURRENT SURVEY CONTROL
RD0445  ___________________________________________________________________
RD0445* NAD 83(1986)-  45 30 54.     (N)    122 40 45.     (W)     SCALED
RD0445* NAVD 88     -        24.680  (meters)      80.97   (feet)  ADJUSTED
RD0445  ___________________________________________________________________
RD0445  GEOID HEIGHT-         -22.76  (meters)                     GEOID99
RD0445  DYNAMIC HT  -          24.680 (meters)      80.97  (feet)  COMP
RD0445  MODELED GRAV-     980,629.9   (mgal)                       NAVD 88
RD0445
RD0445  VERT ORDER  -  FIRST     CLASS II
RD0445
RD0445.The horizontal coordinates were scaled from a topographic map and have
RD0445.an estimated accuracy of +/- 6 seconds.
RD0445
RD0445.The orthometric height was determined by differential leveling
RD0445.and adjusted by the National Geodetic Survey in June 1991.
RD0445.WARNING-Repeat measurements at this control monument indicate possible
RD0445.vertical movement.
RD0445
RD0445.The geoid height was determined by GEOID99.
RD0445
RD0445.The dynamic height is computed by dividing the NAVD 88
RD0445.geopotential number by the normal gravity value computed on the
RD0445.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
RD0445.degrees latitude (G = 980.6199 gals.).
RD0445
RD0445.The modeled gravity was interpolated from observed gravity values.
RD0445
RD0445;                    North         East    Units  Estimated Accuracy
RD0445;SPC OR N     -   207,690.    2,329,760.      MT  (+/- 180 meters Scaled)
RD0445
RD0445                          SUPERSEDED SURVEY CONTROL
RD0445
RD0445  NGVD 29     -        23.610  (m)           77.46   (f) ADJUSTED    1 2
RD0445
RD0445.Superseded values are not recommended for survey control.
RD0445.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
RD0445.See file dsdata.txt to determine how the superseded data were derived.
RD0445
RD0445_MARKER: DD = SURVEY DISK
RD0445_SETTING: 35 = COLUMN BASE
RD0445_STAMPING: 77.063 T 14 1898
RD0445_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
RD0445+STABILITY: SURFACE MOTION
RD0445
RD0445  HISTORY     - Date     Condition        Recov. By
RD0445  HISTORY     - UNK      MONUMENTED       USGS
RD0445  HISTORY     - 1935     GOOD             NGS
RD0445  HISTORY     - 1987     GOOD             NGS
RD0445  HISTORY     - 1988     GOOD             USPSQD
RD0445  HISTORY     - 1989     GOOD             USPSQD
RD0445  HISTORY     - 1990     GOOD             USPSQD
RD0445
RD0445                          STATION DESCRIPTION
RD0445
RD0445''DESCRIBED BY NATIONAL GEODETIC SURVEY 1935
RD0445''IN PORTLAND.
RD0445''AT PORTLAND, MULTNOMAH COUNTY, BETWEEN NORTHWEST MADISON AND JEFFERSON
RD0445''STREETS, AT THE WEST (OR THE NORTHWEST FIFTH AVENUE) ENTRANCE TO THE
RD0445''CITY HALL, IN THE MIDDLE OF THE GRANITE BASE OF THE FIRST COLUMN NORTH
RD0445''OF THE STEPS, 2 FEET ABOVE THE SIDEWALK, AND SET VERTICALLY. A UNITED
RD0445''STATES GEOLOGICAL SURVEY STANDARD DISK STAMPED 77.063.
RD0445
RD0445                          STATION RECOVERY (1987)
RD0445
RD0445''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987
RD0445''RECOVERED IN GOOD CONDITION.
RD0445
RD0445                          STATION RECOVERY (1988)
RD0445
RD0445''RECOVERY NOTE BY US POWER SQUADRON 1988 (KRN)
RD0445''RECOVERED IN GOOD CONDITION.
RD0445
RD0445                          STATION RECOVERY (1989)
RD0445
RD0445''RECOVERY NOTE BY US POWER SQUADRON 1989 (KRN)
RD0445''RECOVERED IN GOOD CONDITION.
RD0445
RD0445                          STATION RECOVERY (1990)
RD0445
RD0445''RECOVERY NOTE BY US POWER SQUADRON 1990 (KRN)
RD0445''RECOVERED IN GOOD CONDITION.