AI2011 ***********************************************************************
AI2011  DESIGNATION -  Y 683
AI2011  PID         -  AI2011
AI2011  STATE/COUNTY-  OR/BENTON
AI2011  USGS QUAD   -  LEWISBURG (1986)
AI2011
AI2011                         *CURRENT SURVEY CONTROL
AI2011  ___________________________________________________________________
AI2011* NAD 83(1998)-  44 41 20.91478(N)    123 13 08.04772(W)     ADJUSTED
AI2011* NAVD 88     -        94.7    (meters)     311.     (feet)  GPS OBS
AI2011  ___________________________________________________________________
AI2011  EPOCH DATE  -        1997.00
AI2011  X           -  -2,488,287.389 (meters)                     COMP
AI2011  Y           -  -3,799,765.162 (meters)                     COMP
AI2011  Z           -   4,462,905.799 (meters)                     COMP
AI2011  LAPLACE CORR-          -8.09  (seconds)                    DEFLEC99
AI2011  ELLIP HEIGHT-          72.01  (meters)                     GPS OBS
AI2011  GEOID HEIGHT-         -22.67  (meters)                     GEOID99
AI2011
AI2011  HORZ ORDER  -  A
AI2011  ELLP ORDER  -  THIRD     CLASS I
AI2011
AI2011.The horizontal coordinates were established by GPS observations
AI2011.and adjusted by the National Geodetic Survey in April 2000.
AI2011.This is a SPECIAL STATUS position.  See SPECIAL STATUS under the
AI2011.DATUM ITEM on the data sheet items page.
AI2011.The horizontal coordinates are valid at the epoch date displayed above.
AI2011.The epoch date for horizontal control is a decimal equivalence
AI2011.of Year/Month/Day.
AI2011
AI2011.The orthometric height was determined by GPS observations and a
AI2011.high-resolution geoid model.
AI2011
AI2011.The X, Y, and Z were computed from the position and the ellipsoidal ht.
AI2011
AI2011.The Laplace correction was computed from DEFLEC99 derived deflections.
AI2011
AI2011.The ellipsoidal height was determined by GPS observations
AI2011.and is referenced to NAD 83.
AI2011
AI2011.The geoid height was determined by GEOID99.
AI2011
AI2011;                    North         East     Units   Scale      Converg.
AI2011;SPC OR N     -   117,245.650 2,284,523.059   MT  0.99992940 -1 55 41.5
AI2011;UTM  10      - 4,948,442.374   482,654.128   MT  0.99960370 -0 09 14.2
AI2011
AI2011                          SUPERSEDED SURVEY CONTROL
AI2011
AI2011  ELLIP HT    -          72.01  (m)                      GP(       ) 3 1
AI2011  NAD 83(1991)-  44 41 20.91277(N)    123 13 08.04718(W) AD(       ) B
AI2011  ELLIP HT    -          72.15  (m)                      GP(       ) 3 1
AI2011
AI2011.Superseded values are not recommended for survey control.
AI2011.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
AI2011.See file dsdata.txt to determine how the superseded data were derived.
AI2011
AI2011_MARKER: DB = BENCH MARK DISK
AI2011_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
AI2011_STAMPING: Y 683 1982
AI2011_MAGNETIC: N = NO MAGNETIC MATERIAL
AI2011_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
AI2011+STABILITY: SURFACE MOTION
AI2011_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
AI2011+SATELLITE: SATELLITE OBSERVATIONS - 1982
AI2011
AI2011  HISTORY     - Date     Condition        Recov. By
AI2011  HISTORY     - 1982     MONUMENTED       ORDT
AI2011
AI2011                          STATION DESCRIPTION
AI2011
AI2011''DESCRIBED BY OREGON DEPARTMENT OF TRANSPORTATION 1982 (GVD)
AI2011''THE STATION IS LOCATED ABOUT 17.4 KM (10.80 MI) SOUTH OF MONMOUTH,
AI2011''14.5 KM (9.00 MI) NORTH OF CORVALLIS, 2.0 KM (1.25 MI) NORTH OF ADAIR
AI2011''VILLAGE, ON THE EAST RIGHT-OF-WAY OF STATE HIGHWAY 99W.
AI2011''OWNERSHIP--OREGON STATE DEPARTMENT OF TRANSPORTATION.  TO REACH THE
AI2011''STATION FROM THE JUNCTION OF U.S. HIGHWAY 20 EAST AND STATE HIGHWAYS
AI2011''34 EAST AND 99W IN EAST CORVALLIS, GO NORTH ON HIGHWAY 99W FOR 7.24 KM
AI2011''(4.50 MI) TO THE INTERSECTION OF LEWISBURG ROAD.  CONTINUE NORTH ON
AI2011''HIGHWAY 99W FOR 5.23 KM (3.25 MI) TO ARNOLD AVENUE ON THE RIGHT.
AI2011''CONTINUE NORTH ON HIGHWAY 99W FOR 2.01 KM (1.25 MI) PAST THE SOUTHERN
AI2011''ENTRANCE TO ADAIR FRONTAGE ROAD TO THE NORTHERN ENTRANCE TO ADAIR
AI2011''FRONTAGE ROAD.  TURN RIGHT, EASTERLY, ON ADAIR FRONTAGE ROAD FOR 45 M
AI2011''(147.6 FT) TO THE STATION ON THE RIGHT.  THE STATION IS AN OREGON
AI2011''STATE HIGHWAY DIVISION BENCH MARK DISK SET IN TOP OF 38 CM SQUARE
AI2011''CONCRETE MONUMENT FLUSH WITH THE GROUND.  IT IS 22.9 M (75.1 FT) EAST
AI2011''FROM THE EAST EDGE OF THE HIGHWAY, 15.2 M (49.9 FT) SOUTH FROM THE
AI2011''CENTER OF ADAIR FRONTAGE ROAD, 11.6 M (38.1 FT) WEST FROM THE CENTER
AI2011''OF ADAIR FRONTAGE ROAD, AND 0.8 M (2.6 FT) SOUTH FROM A USBM PADDLE
AI2011''SIGN.