GQ0336 ***********************************************************************
GQ0336  DESIGNATION -  TRENCH
GQ0336  PID         -  GQ0336
GQ0336  STATE/COUNTY-  AZ/MOHAVE
GQ0336  USGS QUAD   -  ROBINSON CANYON (1988)
GQ0336
GQ0336                         *CURRENT SURVEY CONTROL
GQ0336  ___________________________________________________________________
GQ0336* NAD 83(1992)-  36 35 11.27266(N)    112 52 25.80541(W)     ADJUSTED
GQ0336* NAVD 88     -      1642.9    (meters)    5390.     (feet)  VERTCON
GQ0336  ___________________________________________________________________
GQ0336  LAPLACE CORR-          -0.10  (seconds)                    DEFLEC99
GQ0336  GEOID HEIGHT-         -22.96  (meters)                     GEOID99
GQ0336
GQ0336  HORZ ORDER  -  SECOND
GQ0336
GQ0336.The horizontal coordinates were established by classical geodetic methods
GQ0336.and adjusted by the National Geodetic Survey in August 1993.
GQ0336
GQ0336.The NAVD 88 height was computed by applying the VERTCON shift value to
GQ0336.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
GQ0336
GQ0336.The Laplace correction was computed from DEFLEC99 derived deflections.
GQ0336
GQ0336.The geoid height was determined by GEOID99.
GQ0336
GQ0336;                    North         East     Units   Scale      Converg.
GQ0336;SPC AZ W     -   619,961.090   291,764.903   MT  1.00000904 +0 31 20.1
GQ0336;UTM  12      - 4,050,633.332   332,366.265   MT  0.99994622 -1 07 01.7
GQ0336
GQ0336:                Primary Azimuth Mark                     Grid Az
GQ0336:SPC AZ W     -  TRENCH AZ MK                             243 40 47.7
GQ0336:UTM  12      -  TRENCH AZ MK                             245 19 09.5
GQ0336
GQ0336|---------------------------------------------------------------------|
GQ0336| PID    Reference Object                     Distance      Geod. Az  |
GQ0336|                                                           dddmmss.s |
GQ0336|        TRENCH RM 1                          10.955 METERS 10738     |
GQ0336|        TRENCH RM 2                           8.452 METERS 20140     |
GQ0336| GQ0339 LAVA CAIRN                          APPROX. 6.4 KM 2222717.1 |
GQ0336|        TRENCH AZ MK                                       2441207.8 |
GQ0336|---------------------------------------------------------------------|
GQ0336
GQ0336                          SUPERSEDED SURVEY CONTROL
GQ0336
GQ0336  NAD 83(1986)-  36 35 11.26809(N)    112 52 25.80265(W) AD(       ) 2
GQ0336  NAD 27      -  36 35 11.32500(N)    112 52 23.07600(W) AD(       ) 2
GQ0336  NGVD 29     -      1642.0    (m)         5387.     (f) VERT ANG
GQ0336
GQ0336.Superseded values are not recommended for survey control.
GQ0336.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
GQ0336.See file dsdata.txt to determine how the superseded data were derived.
GQ0336
GQ0336_MARKER: DS = TRIANGULATION STATION DISK
GQ0336_SETTING: 66 = SET IN ROCK OUTCROP
GQ0336
GQ0336  HISTORY     - Date     Condition        Recov. By
GQ0336  HISTORY     - 1953     MONUMENTED       CGS
GQ0336  HISTORY     - 1965     GOOD             CGS
GQ0336
GQ0336                          STATION DESCRIPTION
GQ0336
GQ0336''DESCRIBED BY COAST AND GEODETIC SURVEY 1953 (LGT)
GQ0336''THE STATION IS LOCATED ON A LOW BARE HILL, ABOUT 26 MILES
GQ0336''SOUTH-SOUTHWEST OF FREDONIA, 21 MILES NORTH OF THE COLORADO
GQ0336''RIVER, 1.0 MILE SOUTHWEST OF THE HEAD OF HACK CANYON AND 0.2
GQ0336''MILE EAST OF THE GRAND CANYON NATIONAL MONUMENT ROAD.
GQ0336''
GQ0336''TO REACH FROM THE JUNCTION OF THE PIPE SPRINGS ROAD WITH
GQ0336''U.S. HIGHWAY 89 AT THE SOUTH EDGE OF FREDONIA, TAKE THE PIPE
GQ0336''SPRINGS ROAD AND GO FOR 8.2 MILES TO A Y FORK AT A SIGN
GQ0336''GRAND CANYON NATIONAL MONUMENT.  TAKE THE LEFT FORK, WHICH
GQ0336''IS THE GRAND CANYON ROAD, AND GO FOR 25.5 MILES TO A WIRE GATE.
GQ0336''PASS THROUGH THE GATE AND GO FOR 0.3 MILE TO A POINT JUST
GQ0336''AFTER MAKING A LEFT CURVE THROUGH A SMALL DRAW AND UP TO
GQ0336''THE TOP OF A LOW RIDGE.  TURN LEFT AND GO ACROSS COUNTRY
GQ0336''FOR 0.2 MILE TO THE STATION 100 FEET WEST OF THE RIM OF
GQ0336''THE HILL.
GQ0336''
GQ0336''THE STATION IS A STANDARD DISK STAMPED TRENCH 1953.  IT IS
GQ0336''CEMENTED IN A DRILL HOLE IN UNDERGROUND BEDROCK.  THE MARK
GQ0336''IS 6.5 INCHES BELOW THE GROUND SURFACE AND 9 FEET SOUTHWEST
GQ0336''OF A WHITE WITNESS POST.
GQ0336''
GQ0336''REFERENCE MARK 1 IS A STANDARD DISK STAMPED TRENCH NO 1 1953.
GQ0336''IT IS SET IN A SQUARE CONCRETE POST WHICH IS FLUSH.
GQ0336''
GQ0336''REFERENCE MARK 2 IS A STANDARD DISK STAMPED TRENCH NO 2 1953.
GQ0336''IT IS SET IN A SQUARE CONCRETE POST WHICH PROJECTS 1 INCH.
GQ0336''
GQ0336''THE AZIMUTH MARK IS A STANDARD DISK STAMPED TRENCH 1953.  IT
GQ0336''IS SET IN A SQUARE CONCRETE POST WHICH PROJECTS 2 INCHES.
GQ0336''IT IS 21 FEET EAST OF THE GRAND CANYON ROAD AND 2 FEET EAST
GQ0336''OF A WHITE WITNESS POST.  TO REACH FROM WHERE YOU LEAVE THE ROAD,
GQ0336''CONTINUE ON SOUTH ON THE ROAD FOR 0.2 MILE JUST BEFORE STARTING
GQ0336''DOWN GRADE AND THE MARK ON THE LEFT AS DESCRIBED.
GQ0336
GQ0336                          STATION RECOVERY (1965)
GQ0336
GQ0336''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1965 (FHB)
GQ0336''STATION RECOVERED AS DESCRIBED AND ALL MARKS FOUND IN GOOD
GQ0336''CONDITION.