MB1044 ***********************************************************************
MB1044  DESIGNATION -  P 273
MB1044  PID         -  MB1044
MB1044  STATE/COUNTY-  PA/ERIE
MB1044  USGS QUAD   -  CONNEAUT (1996)
MB1044
MB1044                         *CURRENT SURVEY CONTROL
MB1044  ___________________________________________________________________
MB1044* NAD 83(1986)-  41 56 15.     (N)    080 31 07.     (W)     SCALED
MB1044* NAVD 88     -       209.103  (meters)     686.03   (feet)  ADJUSTED
MB1044  ___________________________________________________________________
MB1044  GEOID HEIGHT-         -34.58  (meters)                     GEOID99
MB1044  DYNAMIC HT  -         209.028 (meters)     685.79  (feet)  COMP
MB1044  MODELED GRAV-     980,258.2   (mgal)                       NAVD 88
MB1044
MB1044  VERT ORDER  -  SECOND    CLASS 0
MB1044
MB1044.The horizontal coordinates were scaled from a topographic map and have
MB1044.an estimated accuracy of +/- 6 seconds.
MB1044
MB1044.The orthometric height was determined by differential leveling
MB1044.and adjusted by the National Geodetic Survey in June 1991.
MB1044
MB1044.The geoid height was determined by GEOID99.
MB1044
MB1044.The dynamic height is computed by dividing the NAVD 88
MB1044.geopotential number by the normal gravity value computed on the
MB1044.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
MB1044.degrees latitude (g = 980.6199 gals.).
MB1044
MB1044.The modeled gravity was interpolated from observed gravity values.
MB1044
MB1044;                    North         East    Units  Estimated Accuracy
MB1044;SPC PA N     -   200,330.      370,430.      MT  (+/- 180 meters Scaled)
MB1044
MB1044                          SUPERSEDED SURVEY CONTROL
MB1044
MB1044  NGVD 29     -       209.314  (m)          686.72   (f) ADJ UNCH    2 0
MB1044
MB1044.Superseded values are not recommended for survey control.
MB1044.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
MB1044.See file dsdata.txt to determine how the superseded data were derived.
MB1044
MB1044_MARKER: DB = BENCH MARK DISK
MB1044_SETTING: 30 = CATCH BASE
MB1044_STAMPING: P 273 1961
MB1044_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
MB1044
MB1044  HISTORY     - Date     Condition        Recov. By
MB1044  HISTORY     - 1961     MONUMENTED       CGS
MB1044
MB1044                          STATION DESCRIPTION
MB1044
MB1044''DESCRIBED BY COAST AND GEODETIC SURVEY 1961
MB1044''5 MI SE FROM CONNEAUT.
MB1044''ABOUT 0.25 MILE WEST ALONG STATE HIGHWAYS 7 AND 20 FROM THE
MB1044''POST OFFICE IN CONNEAUT THENCE SOUTH ALONG STATE HIGHWAY 7 FOR
MB1044''1.95 MILES TO THE JUNCTION OF STATE HIGHWAY 7 AND INTERSTATE
MB1044''90, THENCE EAST ON INTERSTATE 90 FOR 3.1 MILES TO THE MARK ON
MB1044''THE LEFT.  ABOUT 3.0 MILES WEST ALONG INTERSTATE HIGHWAY 90
MB1044''FROM THE JUNCTION OF U.S. HIGHWAY 6N AND INTERSTATE HIGHWAY 90.
MB1044''IT IS DRILLED IN BASE OF ARCH OVER INTERSTATE HIGHWAY 90,
MB1044''24.6 FEET NORTH OF CENTER OF WEST BOUND TRAFFIC LANE, AND IS
MB1044''ABOUT THE SAME LEVEL AS THE HIGHWAY.