CG0979 ***********************************************************************
CG0979  DESIGNATION -  JUAN
CG0979  PID         -  CG0979
CG0979  STATE/COUNTY-  AZ/COCHISE
CG0979  USGS QUAD   -  MC GREW SPRING (1976)
CG0979
CG0979                         *CURRENT SURVEY CONTROL
CG0979  ___________________________________________________________________
CG0979* NAD 83(1992)-  31 52 12.79767(N)    110 16 58.60838(W)     ADJUSTED
CG0979* NAVD 88     -      1221.8    (meters)    4009.     (feet)  VERTCON
CG0979  ___________________________________________________________________
CG0979  LAPLACE CORR-          -1.15  (seconds)                    DEFLEC99
CG0979  GEOID HEIGHT-         -27.75  (meters)                     GEOID99
CG0979
CG0979  HORZ ORDER  -  THIRD
CG0979
CG0979.The horizontal coordinates were established by classical geodetic methods
CG0979.and adjusted by the National Geodetic Survey in August 1993.
CG0979
CG0979.The NAVD 88 height was computed by applying the VERTCON shift value to
CG0979.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
CG0979
CG0979.The Laplace correction was computed from DEFLEC99 derived deflections.
CG0979
CG0979.The geoid height was determined by GEOID99.
CG0979
CG0979;                    North         East     Units   Scale      Converg.
CG0979;SPC AZ E     -    96,483.788   202,357.976   MT  0.99990149 -0 03 41.0
CG0979;UTM  12      - 3,526,274.979   567,825.525   MT  0.99965673 +0 22 43.0
CG0979
CG0979:                Primary Azimuth Mark                     Grid Az
CG0979:SPC AZ E     -  JUAN AZ MK                               154 20 46.1
CG0979:UTM  12      -  JUAN AZ MK                               153 54 22.1
CG0979
CG0979|---------------------------------------------------------------------|
CG0979| PID    Reference Object                     Distance      Geod. Az  |
CG0979|                                                           dddmmss.s |
CG0979| CG1193 ST DAVID RM 3 AZIMUTH                              03950     |
CG0979|        JUAN RM 1                            16.018 METERS 05155     |
CG0979|        JUAN AZ MK                                         1541705.1 |
CG0979|        JUAN RM 2                            18.800 METERS 32141     |
CG0979|---------------------------------------------------------------------|
CG0979
CG0979                          SUPERSEDED SURVEY CONTROL
CG0979
CG0979  NAD 83(1986)-  31 52 12.79166(N)    110 16 58.60430(W) AD(       ) 3
CG0979  NAD 27      -  31 52 12.48000(N)    110 16 56.34300(W) AD(       ) 3
CG0979  NGVD 29     -      1221.0    (m)         4006.     (f) VERT ANG
CG0979
CG0979.Superseded values are not recommended for survey control.
CG0979.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
CG0979.See file dsdata.txt to determine how the superseded data were derived.
CG0979
CG0979_MARKER: DS = TRIANGULATION STATION DISK
CG0979_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
CG0979_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
CG0979+STABILITY: SURFACE MOTION
CG0979
CG0979  HISTORY     - Date     Condition        Recov. By
CG0979  HISTORY     - 1946     MONUMENTED       CGS
CG0979  HISTORY     - 1986     GOOD             AZDT
CG0979
CG0979                          STATION DESCRIPTION
CG0979
CG0979''DESCRIBED BY COAST AND GEODETIC SURVEY 1946 (CAE)
CG0979''STATION IS LOCATED ABOUT 7 MILES, AIRLINE, SSE OF BENSON, ABOUT
CG0979''4-1/2 MILES, AIRLINE, SW OF ST. DAVID, AND ABOUT 0.1 MILE NE
CG0979''OF THE SAN JUAN SIDING ON THE SOUTHERN PACIFIC RAILROAD.  IT IS
CG0979''NOT A PROMINENT POINT, BUT IS ON THE HIGHEST POINT OF A FLAT
CG0979''ROLLING MESA.
CG0979''
CG0979''TO REACH THE STATION FROM ST. DAVID, PROCEED TOWARD BENSON ON
CG0979''U.S. HIGHWAY 80 FOR 1.4 MILES TO A PAVED ROAD LEADING TO THE
CG0979''LEFT AT A SIGN APACHE POWDER COMPANY.  THIS IS AT THE W END OF A
CG0979''STEEL BRIDGE OVER THE SAN PEDRO RIVER AND JUST AFTER CROSSING A
CG0979''RAILROAD TRACK.  TURN LEFT ON THE PAVED ROAD AND CONTINUE FOR 0.9
CG0979''MILE TO A GRAVEL ROAD LEADING TO THE RIGHT.  THIS IS JUST AFTER
CG0979''CROSSING A SMALL WOODEN BRIDGE.  TURN RIGHT AND CONTINUE FOR
CG0979''0.6 MILE TO A FORK, KEEP THE RIGHT FORK AND CONTINUE FOR 2.1
CG0979''MILES TO THE STATION ON THE RIGHT.  THIS IS ABOUT 0.1 MILE
CG0979''BEFORE REACHING A GATE ENTERING THE RAILROAD RIGHT-OF-WAY.
CG0979''
CG0979''THE STATION MARK IS A BRONZE STATION DISK, STAMPED JUAN 1946, AND
CG0979''SET IN A 10-INCH-SQUARE CONCRETE POST PROJECTING ABOUT 4 INCHES.
CG0979''IT IS ON THE HIGHEST POINT OF THE FLAT MESA, 81 FEET WNW OF THE
CG0979''CENTER OF THE ROAD, 250 FEET N OF THE S GATEPOST, AND 12.1 FEET S
CG0979''OF A WHITE WITNESS POST.  UNDERGROUND MARK IS A BRONZE STATION
CG0979''DISK SET IN CONCRETE.
CG0979''
CG0979''REFERENCE MARK 1 IS A BRONZE REFERENCE DISK, STAMPED JUAN NO 1 1946,
CG0979''AND SET IN A CONCRETE POST 10 INCHES SQUARE PROJECTING ABOUT 3
CG0979''INCHES.  IT IS NE OF THE STATION AND ABOUT LEVEL WITH IT.
CG0979''
CG0979''REFERENCE MARK 2 IS A BRONZE REFERENCE DISK, STAMPED JUAN NO 2
CG0979''1946, AND SET IN A CONCRETE POST 10 INCHES SQUARE PROJECTING ABOUT
CG0979''1 INCH.  IT IS NW OF THE STATION AND ABOUT LEVEL WITH IT.
CG0979''
CG0979''AZIMUTH MARK IS A BRONZE AZIMUTH DISK, STAMPED JUAN 1946, AND SET
CG0979''IN A 10-INCH-SQUARE CONCRETE POST ABOUT FLUSH WITH THE SURROUNDING
CG0979''GROUND.  IT IS ABOUT 1/2 MILE SE OF THE STATION, 19.5 FEET ENE OF
CG0979''THE RIGHT-OF-WAY FENCE, AND 4.4 FEET ENE OF A WHITE WITNESS POST.
CG0979''TO REACH THE MARK FROM THE STATION, CONTINUE TO THE GATE AT THE
CG0979''ENTRANCE TO RIGHT-OF-WAY.  AT THIS POINT TURN LEFT ON A TRACK
CG0979''LEADING S ALONG THE FENCE AND CONTINUE FOR 0.4 MILE TO THE MARK
CG0979''WHICH IS TO THE RIGHT OF THE ROAD, THAT IS, BETWEEN THE ROAD
CG0979''AND THE RIGHT-OF-WAY FENCE.
CG0979
CG0979                          STATION RECOVERY (1986)
CG0979
CG0979''RECOVERY NOTE BY ARIZONA DEPARTMENT OF TRANSPORTATION 1986 (ART)
CG0979''THE STATION MARK, REFERENCE MARKS AND THE AZIMUTH MARK WERE RECOVERED
CG0979''AS DESCRIBED IN 1946.  A NEW ROUTE TO THE STATION FOLLOWS.
CG0979''
CG0979''TO REACH THE STATION FROM THE POST OFFICE IN ST. DAVID TRAVEL WEST AND
CG0979''NORTH ALONG U.S. HIGHWAY 80 FOR 2.0 MILES TO THE APACHE POWDER PLANT
CG0979''ROAD ON THE LEFT.  TURN LEFT FOR 1.35 MILES TO AN OLD PAVED ROAD ON
CG0979''THE RIGHT.  TURN RIGHT CROSSING A CATTLE GUARD AND TRAVEL 0.55 MILE TO
CG0979''A DIRT ROAD ON THE LEFT.  TURN LEFT AND TRAVEL SOUTH FOR 2.95 MILE TO
CG0979''A GAS LINE CROSS ROAD, CONTINUE AHEAD FOR 0.05 MILE TO THE STATION ON
CG0979''THE RIGHT.
CG0979''
CG0979''TO REACH THE AZIMUTH MARK FROM THE STATION CONTINUE SOUTH FOR 0.1 MILE
CG0979''TO A ROAD FORK.  TAKE THE LEFT FORK FOR 0.2 MILE TO THE MARK ON THE
CG0979''LEFT.