CZ0344 ***********************************************************************
CZ0344  DESIGNATION -  Q 279
CZ0344  PID         -  CZ0344
CZ0344  STATE/COUNTY-  AZ/PINAL
CZ0344  USGS QUAD   -  RED ROCK (1981)
CZ0344
CZ0344                         *CURRENT SURVEY CONTROL
CZ0344  ___________________________________________________________________
CZ0344* NAD 83(1992)-  32 36 49.76354(N)    111 21 21.55521(W)     ADJUSTED
CZ0344* NAVD 88     -       554.009  (meters)    1817.61   (feet)  ADJUSTED
CZ0344  ___________________________________________________________________
CZ0344  X           -  -1,958,504.369 (meters)                     COMP
CZ0344  Y           -  -5,008,836.488 (meters)                     COMP
CZ0344  Z           -   3,418,244.829 (meters)                     COMP
CZ0344  LAPLACE CORR-           2.52  (seconds)                    DEFLEC99
CZ0344  ELLIP HEIGHT-         524.34  (meters)                     GPS OBS
CZ0344  GEOID HEIGHT-         -29.56  (meters)                     GEOID99
CZ0344  DYNAMIC HT  -         553.299 (meters)    1815.28  (feet)  COMP
CZ0344  MODELED GRAV-     979,339.6   (mgal)                       NAVD 88
CZ0344
CZ0344  HORZ ORDER  -  FIRST
CZ0344  VERT ORDER  -  FIRST     CLASS II
CZ0344  ELLP ORDER  -  FOURTH    CLASS II
CZ0344
CZ0344.The horizontal coordinates were established by GPS observations
CZ0344.and adjusted by the National Geodetic Survey in August 1993.
CZ0344
CZ0344.The orthometric height was determined by differential leveling
CZ0344.and adjusted by the National Geodetic Survey in June 1991.
CZ0344.WARNING-GPS observations at this control monument resulted in a GPS
CZ0344.derived orthometric height which differed from the leveled height by
CZ0344.more than one decimeter (0.1 meter).
CZ0344
CZ0344.The X, Y, and Z were computed from the position and the ellipsoidal ht.
CZ0344
CZ0344.The Laplace correction was computed from DEFLEC99 derived deflections.
CZ0344
CZ0344.The ellipsoidal height was determined by GPS observations
CZ0344.and is referenced to NAD 83.
CZ0344
CZ0344.The geoid height was determined by GEOID99.
CZ0344
CZ0344.The dynamic height is computed by dividing the NAVD 88
CZ0344.geopotential number by the normal gravity value computed on the
CZ0344.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
CZ0344.degrees latitude (G = 980.6199 gals.).
CZ0344
CZ0344.The modeled gravity was interpolated from observed gravity values.
CZ0344
CZ0344;                    North         East     Units   Scale      Converg.
CZ0344;SPC AZ C     -   179,067.188   265,979.427   MT  0.99993413 +0 18 07.9
CZ0344;UTM  12      - 3,608,532.594   466,600.921   MT  0.99961375 -0 11 30.7
CZ0344
CZ0344                          SUPERSEDED SURVEY CONTROL
CZ0344
CZ0344  NAD 83(1986)-  32 36 49.75880(N)    111 21 21.55543(W) AD(       ) 1
CZ0344  NGVD 29     -       553.664  (m)         1816.48   (f) ADJ UNCH    1 2
CZ0344
CZ0344.Superseded values are not recommended for survey control.
CZ0344.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
CZ0344.See file dsdata.txt to determine how the superseded data were derived.
CZ0344
CZ0344_MARKER: DB = BENCH MARK DISK
CZ0344_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
CZ0344_STAMPING: Q 279 1948
CZ0344_PROJECTION: PROJECTING 13 CENTIMETERS
CZ0344_MAGNETIC: N = NO MAGNETIC MATERIAL
CZ0344_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
CZ0344+STABILITY: SURFACE MOTION
CZ0344_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
CZ0344+SATELLITE: SATELLITE OBSERVATIONS - 1987
CZ0344
CZ0344  HISTORY     - Date     Condition        Recov. By
CZ0344  HISTORY     - 1948     MONUMENTED       CGS
CZ0344  HISTORY     - 1952     GOOD             NGS
CZ0344  HISTORY     - 1960     GOOD             NGS
CZ0344  HISTORY     - 1977     GOOD             USGS
CZ0344  HISTORY     - 1980     GOOD             NGS
CZ0344  HISTORY     - 1987     GOOD             NGS
CZ0344
CZ0344                          STATION DESCRIPTION
CZ0344
CZ0344''DESCRIBED BY NATIONAL GEODETIC SURVEY 1952
CZ0344''3.1 MI NW FROM RED ROCK.
CZ0344''3.1 MILES NORTHWEST ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE
CZ0344''STATION AT RED ROCK, 0.1 MILE SOUTHEAST OF RAILROAD BRIDGE 948.24, IN
CZ0344''LINE WITH A TELEGRAPH LINE, 60.5 FEET SOUTHWEST OF THE SOUTHWEST RAIL,
CZ0344''4.5 FEET NORTHWEST OF A TELEGRAPH POLE, 2.3 FEET SOUTHEAST OF A
CZ0344''WITNESS POST, AND ABOUT 3 FEET LOWER THAN THE TRACKS, AND SET IN A
CZ0344''CONCRETE POST PROJECTING 0.7 FOOT.
CZ0344
CZ0344                          STATION RECOVERY (1960)
CZ0344
CZ0344''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1960
CZ0344''RECOVERED IN GOOD CONDITION.
CZ0344
CZ0344                          STATION RECOVERY (1977)
CZ0344
CZ0344''RECOVERY NOTE BY US GEOLOGICAL SURVEY 1977
CZ0344''3.1 MI. NW ALONG FRONTAGE RD. FROM THE SP R.R. SIDING AT RED ROCK.
CZ0344''0.1 MI SE OF R.R. BRIDGE 948.24, IN LINE WITH TELEGRAPH LINE, ABOUT
CZ0344''200 FT. NE OF NORTH BOUND TRAFFIC LANE INTERSTATE HWY. 10, 60.5 FT.
CZ0344''SW OF THE SW RAIL, 2.3 FT. SE OF A WITNESS POST, ABOUT 3 FT. LOWER
CZ0344''THAN THE TRACKS. SET IN A CONC. POST PROJECTING 0.7 FT. A BRONZE DISK
CZ0344''STAMPED Q 279 1948.
CZ0344
CZ0344                          STATION RECOVERY (1980)
CZ0344
CZ0344''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1980
CZ0344''57.1 KILOMETERS (35.5 MILES) NORTHWEST ALONG THE SOUTHERN PACIFIC
CZ0344''RAILROAD FROM THE STATION AT TUCSON, 0.2 KILOMETER (0.1 MILE)
CZ0344''SOUTHEAST OF RAILROAD BRIDGE 948.24, 86 PACES EAST OF AND ACROSS THE
CZ0344''FRONTAGE ROAD FROM INTERSTATE HIGHWAY 10 MILE POST 223, 18.4 METERS
CZ0344''(60 FEET) SOUTHWEST OF THE SOUTHWEST RAIL, 60.4 METERS (198 FEET)
CZ0344''NORTHWEST OF THE NORTHEASTERN OF TWO WITNESS POSTS FOR A PETROLEUM
CZ0344''PIPE LINE, 23.0 METERS (76 FEET) NORTHEAST OF THE CENTERLINE OF
CZ0344''THE FRONTAGE ROAD AND 9.3 METERS (30.5 FEET) NORTH OF A TELEPHONE POLE
CZ0344''IN THE NORTHEAST ROW OF POLES.
CZ0344''THE MARK IS 0.6 METERS  NW FROM A WITNESS POST.
CZ0344''THE MARK IS 1.1 M BELOW THE TRACKS.
CZ0344
CZ0344                          STATION RECOVERY (1987)
CZ0344
CZ0344''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 (MRM)
CZ0344''THE STATION WAS RECOVERED AT THIS DATE,
CZ0344''IN GOOD CONDITION.
CZ0344''
CZ0344''THE STATION IS LOCATED ABOUT 80.5 KM (50 MI)
CZ0344''NORTHWEST OF TUCSON AND
CZ0344''6.4 KM (4 MI) NORTHEAST OF PICACHO PEAK.
CZ0344''OWNERSHIP--HIGHWAY RIGHT-OF-WAY.
CZ0344''
CZ0344''TO REACH THE STATION FROM THE JUNCTION OF INTERSTATE HIGHWAY 10 AND
CZ0344''PICACHO PEAK ROAD WHICH IS ABOUT 9.7 KM (6 MI) NORTHWEST OF RED
CZ0344''ROCK, GO NORTH FOR 0.2 KM (0.1 MI) ON PICACHO PEAK ROAD TO THE
CZ0344''FRONTAGE ROAD.
CZ0344''TURN RIGHT AND GO EAST FOR 5.2 KM (3.25 MI) ON THE FRONTAGE ROAD TO
CZ0344''THE STATION ON THE LEFT, BETWEEN THE ROAD AND THE RAILROAD TRACKS.
CZ0344''
CZ0344''THE STATION IS A STANDARD CGS BENCH MARK DISK
CZ0344''STAMPED---Q 279 1948---,
CZ0344''SET INTO THE TOP OF A SQUARE CONCRETE MONUMENT
CZ0344''20 CM ON SIDE PROJECTING 13 CM ABOVE GROUND.  LOCATED
CZ0344''23.3 METERS (76.44 FT) NORTHEAST FROM THE APPROXIMATE CENTER OF THE
CZ0344''FRONTAGE ROAD,
CZ0344''18.6 METERS (61.02 FT) SOUTHWEST FROM THE SOUTH RAIL OF THE
CZ0344''RAILROAD TRACKS,
CZ0344''9.3 METERS (30.51 FT) NORTH FROM A TELEPHONE POLE AND
CZ0344''1.0 METERS (3.28 FT) SOUTH FROM A METAL WITNESS POST.
CZ0344''
CZ0344''AVRA VALLEY, ARIZONA, SUBSIDENCE MONITORING, FEBRUARY-MARCH 1987.
CZ0344''
CZ0344''THIS STATION SUITABLE FOR GPS SURVEYS.
CZ0344''
CZ0344''DESCRIBED BY S.E. RANDALL.