ME1726 ***********************************************************************
ME1726  DESIGNATION -  F 140
ME1726  PID         -  ME1726
ME1726  STATE/COUNTY-  IL/COOK
ME1726  USGS QUAD   -  SAG BRIDGE (1997)
ME1726
ME1726                         *CURRENT SURVEY CONTROL
ME1726  ___________________________________________________________________
ME1726* NAD 83(1986)-  41 40 34.     (N)    087 59 55.     (W)     SCALED
ME1726* NAVD 88     -       182.107  (meters)     597.46   (feet)  ADJUSTED
ME1726  ___________________________________________________________________
ME1726  GEOID HEIGHT-         -33.14  (meters)                     GEOID99
ME1726  DYNAMIC HT  -         182.040 (meters)     597.24  (feet)  COMP
ME1726  MODELED GRAV-     980,251.8   (mgal)                       NAVD 88
ME1726
ME1726  VERT ORDER  -  FIRST     CLASS II
ME1726
ME1726.The horizontal coordinates were scaled from a topographic map and have
ME1726.an estimated accuracy of +/- 6 seconds.
ME1726
ME1726.The orthometric height was determined by differential leveling
ME1726.and adjusted by the National Geodetic Survey in June 1991.
ME1726
ME1726.The geoid height was determined by GEOID99.
ME1726
ME1726.The dynamic height is computed by dividing the NAVD 88
ME1726.geopotential number by the normal gravity value computed on the
ME1726.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
ME1726.degrees latitude (g = 980.6199 gals.).
ME1726
ME1726.The modeled gravity was interpolated from observed gravity values.
ME1726
ME1726;                    North         East    Units  Estimated Accuracy
ME1726;SPC IL E     -   556,180.      327,870.      MT  (+/- 180 meters Scaled)
ME1726
ME1726                          SUPERSEDED SURVEY CONTROL
ME1726
ME1726  NGVD 29     -       182.196  (m)          597.75   (f) ADJ UNCH    1 2
ME1726
ME1726.Superseded values are not recommended for survey control.
ME1726.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
ME1726.See file dsdata.txt to determine how the superseded data were derived.
ME1726
ME1726_MARKER: DB = BENCH MARK DISK
ME1726_SETTING: 36 = BUILDING
ME1726_STAMPING: F 140 1947
ME1726_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
ME1726
ME1726  HISTORY     - Date     Condition        Recov. By
ME1726  HISTORY     - 1947     MONUMENTED       CGS
ME1726  HISTORY     - 1971     GOOD             NGS
ME1726  HISTORY     - 1977     GOOD             NGS
ME1726  HISTORY     - 1983     GOOD             MARCHE
ME1726  HISTORY     - 1987     GOOD             USPSQD
ME1726  HISTORY     - 19881020 GOOD             USPSQD
ME1726  HISTORY     - 1989     GOOD             USPSQD
ME1726  HISTORY     - 19970802 GOOD             USPSQD
ME1726
ME1726                          STATION DESCRIPTION
ME1726
ME1726''DESCRIBED BY COAST AND GEODETIC SURVEY 1947
ME1726''AT LEMONT.
ME1726''AT LEMONT, SET VERTICALLY IN THE SOUTHEAST FACE AT THE SOUTH
ME1726''CORNER OF THE POST OFFICE BUILDING, 1 FOOT NORTHEAST OF THE SOUTH
ME1726''CORNER AND 2.5 FEET ABOVE THE GROUND.
ME1726
ME1726                          STATION RECOVERY (1971)
ME1726
ME1726''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971
ME1726''RECOVERED IN GOOD CONDITION.
ME1726
ME1726                          STATION RECOVERY (1977)
ME1726
ME1726''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1977
ME1726''RECOVERED IN GOOD CONDITION.
ME1726
ME1726                          STATION RECOVERY (1983)
ME1726
ME1726''RECOVERY NOTE BY MARCHESE AND SONS 1983
ME1726''RECOVERED IN GOOD CONDITION.
ME1726
ME1726                          STATION RECOVERY (1987)
ME1726
ME1726''RECOVERY NOTE BY US POWER SQUADRON 1987 (MBO)
ME1726''RECOVERED IN GOOD CONDITION.
ME1726
ME1726                          STATION RECOVERY (1988)
ME1726
ME1726''RECOVERY NOTE BY US POWER SQUADRON 1988 (MBO)
ME1726''RECOVERED IN GOOD CONDITION.
ME1726
ME1726                          STATION RECOVERY (1989)
ME1726
ME1726''RECOVERY NOTE BY US POWER SQUADRON 1989 (MBO)
ME1726''RECOVERED IN GOOD CONDITION.
ME1726
ME1726                          STATION RECOVERY (1997)
ME1726
ME1726''RECOVERY NOTE BY US POWER SQUADRON 1997
ME1726''RECOVERED IN GOOD CONDITION.