CZ0589 ***********************************************************************
CZ0589  DESIGNATION -  L 94
CZ0589  PID         -  CZ0589
CZ0589  STATE/COUNTY-  AZ/PIMA
CZ0589  USGS QUAD   -  WEST OF MARANA (1989)
CZ0589
CZ0589                         *CURRENT SURVEY CONTROL
CZ0589  ___________________________________________________________________
CZ0589* NAD 83(1992)-  32 27 43.04798(N)    111 21 12.94257(W)     ADJUSTED
CZ0589* NAVD 88     -       584.06   (+/-2cm)    1916.2    (feet)  VERTCON
CZ0589  ___________________________________________________________________
CZ0589  X           -  -1,961,603.041 (meters)                     COMP
CZ0589  Y           -  -5,017,378.984 (meters)                     COMP
CZ0589  Z           -   3,404,061.983 (meters)                     COMP
CZ0589  LAPLACE CORR-           0.84  (seconds)                    DEFLEC99
CZ0589  ELLIP HEIGHT-         554.43  (meters)                     GPS OBS
CZ0589  GEOID HEIGHT-         -29.70  (meters)                     GEOID99
CZ0589
CZ0589  HORZ ORDER  -  FIRST
CZ0589  VERT ORDER  -  SECOND    CLASS 0 (See Below)
CZ0589  ELLP ORDER  -  FOURTH    CLASS II
CZ0589
CZ0589.The horizontal coordinates were established by GPS observations
CZ0589.and adjusted by the National Geodetic Survey in August 1993.
CZ0589
CZ0589.The NAVD 88 height was computed by applying the VERTCON shift value to
CZ0589.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
CZ0589.WARNING-GPS observations at this control monument resulted in a GPS
CZ0589.derived orthometric height which differed from the leveled height by
CZ0589.more than one decimeter (0.1 meter).
CZ0589.The vertical order pertains to the superseded datum.
CZ0589
CZ0589.The X, Y, and Z were computed from the position and the ellipsoidal ht.
CZ0589
CZ0589.The Laplace correction was computed from DEFLEC99 derived deflections.
CZ0589
CZ0589.The ellipsoidal height was determined by GPS observations
CZ0589.and is referenced to NAD 83.
CZ0589
CZ0589.The geoid height was determined by GEOID99.
CZ0589
CZ0589;                    North         East     Units   Scale      Converg.
CZ0589;SPC AZ C     -   162,228.404   266,292.971   MT  0.99993454 +0 18 08.0
CZ0589;UTM  12      - 3,591,697.135   466,769.498   MT  0.99961362 -0 11 23.2
CZ0589
CZ0589                          SUPERSEDED SURVEY CONTROL
CZ0589
CZ0589  NAD 83(1986)-  32 27 43.04323(N)    111 21 12.94244(W) AD(       ) 1
CZ0589  NGVD 29     -       583.549  (m)         1914.53   (f) ADJ UNCH    2 0
CZ0589
CZ0589.Superseded values are not recommended for survey control.
CZ0589.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
CZ0589.See file dsdata.txt to determine how the superseded data were derived.
CZ0589
CZ0589_MARKER: DB = BENCH MARK DISK
CZ0589_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
CZ0589_STAMPING: L 94 1935
CZ0589_MAGNETIC: N = NO MAGNETIC MATERIAL
CZ0589_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
CZ0589+STABILITY: SURFACE MOTION
CZ0589_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
CZ0589+SATELLITE: SATELLITE OBSERVATIONS - 1987
CZ0589
CZ0589  HISTORY     - Date     Condition        Recov. By
CZ0589  HISTORY     - 1935     MONUMENTED       CGS
CZ0589  HISTORY     - 1951     GOOD             NGS
CZ0589  HISTORY     - 1987     GOOD             NGS
CZ0589  HISTORY     - 19960204 GOOD             USPSQD
CZ0589
CZ0589                          STATION DESCRIPTION
CZ0589
CZ0589''DESCRIBED BY NATIONAL GEODETIC SURVEY 1951
CZ0589''14.7 MI W FROM RILLITO.
CZ0589''0.2 MILE SOUTHEAST ALONG STATE HIGHWAY 84 FROM THE SOUTHERN PACIFIC
CZ0589''RAILROAD STATION AT RILLITO, THENCE 1.3 MILES SOUTH ALONG A PRIVATE
CZ0589''ROAD WHICH LEADS THRU THE ARIZONA PORTLAND CEMENT PLANT, THENCE 13.2
CZ0589''MILES ACROSS MARANA NO 2 AIRPORT WEST ALONG THE SILVER BELL ROAD, 144
CZ0589''1/2 FEET WEST OF THE WEST OF THE CENTER OF A WASH ACROSS THE ROAD, 31
CZ0589''1/2 FEET SOUTHWEST OF THE CENTER LINE OF THE ROAD, 2.9 FEET NORTHWEST
CZ0589''OF A WITNESS POST, AND ABOUT 2 FEET HIGHER THAN THE ROAD, AND SET IN
CZ0589''THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT ABOVE THE GROUND.
CZ0589
CZ0589                          STATION RECOVERY (1987)
CZ0589
CZ0589''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 (MRM)
CZ0589''THE STATION WAS RECOVERED AT THIS DATE,
CZ0589''IN GOOD CONDITION.
CZ0589''
CZ0589''THE STATION IS LOCATED ABOUT 62.8 KM (39 MI)
CZ0589''NORTHWEST OF TUCSON,
CZ0589''14.5 KM (9 MI) SOUTH OF PICACHO PEAK AND
CZ0589''9.7 KM (6 MI) WEST OF INTERSTATE HIGHWAY 10.
CZ0589''OWNERSHIP--HIGHWAY RIGHT-OF-WAY.
CZ0589''
CZ0589''TO REACH THE STATION FROM THE JUNCTION OF INTERSTATE HIGHWAY 10 AND
CZ0589''THE MARANA INTERCHANGE WHICH IS ABOUT 1.2 KM (0.75 MI) NORTH OF
CZ0589''MARANA, GO SOUTHWEST FOR 0.3 KM (0.2 MI) ON SANDARIO ROAD TO MARANA
CZ0589''ROAD.
CZ0589''TURN RIGHT AND GO WEST FOR 8.7 KM (5.4 MI) ON MARANA ROAD TO A STOP
CZ0589''SIGN AND JUNCTION OF TRICO ROAD.
CZ0589''CONTINUE STRAIGHT AHEAD AND GO WEST FOR 0.9 KM (0.55 MI) ON THE
CZ0589''DIRT ROAD TO A STOP SIGN AND SILVERBELLE ROAD.
CZ0589''TURN RIGHT AND GO NORTHWEST FOR 2.8 KM (1.75 MI) ON SILVERBELLE
CZ0589''ROAD TO A FORK.  FOLLOW THE LEFT FORK AND GO WESTERLY FOR 0.4 KM
CZ0589''(0.25 MI) ON SILVERBELLE ROAD TO A NARROW ONE LANE BRIDGE.
CZ0589''CONTINUE STRAIGHT AHEAD AND GO WEST FOR 1.5 KM (0.95 MI) ON
CZ0589''SILVERBELLE ROAD TO THE STATION ON THE LEFT.
CZ0589''
CZ0589''THE STATION IS A STANDARD CGS BENCH MARK DISK
CZ0589''STAMPED---L 94 1935---,
CZ0589''SET INTO THE TOP OF A SQUARE CONCRETE MONUMENT
CZ0589''26 CM ON SIDE PROJECTING 26 CM ABOVE GROUND.  LOCATED
CZ0589''8.8 METERS (28.87 FT) SOUTH FROM THE APPROXIMATE CENTER OF
CZ0589''SILVERBELLE ROAD AND
CZ0589''2.3 METERS (7.55 FT) SOUTH FROM A METAL WITNESS POST.
CZ0589''
CZ0589''AVRA VALLEY, ARIZONA, SUBSIDENCE MONITORING, FEBRUARY-MARCH 1987.
CZ0589''
CZ0589''THIS STATION SUITABLE FOR GPS SURVEYS.
CZ0589''
CZ0589''DESCRIBED BY S.E. RANDALL.
CZ0589
CZ0589                          STATION RECOVERY (1996)
CZ0589
CZ0589''RECOVERY NOTE BY US POWER SQUADRON 1996
CZ0589''RECOVERED IN GOOD CONDITION.