MR0680 ***********************************************************************
MR0680  DESIGNATION -  PORCUPINE
MR0680  PID         -  MR0680
MR0680  STATE/COUNTY-  UT/SUMMIT
MR0680  USGS QUAD   -  PORCUPINE RIDGE (1979)
MR0680
MR0680                         *CURRENT SURVEY CONTROL
MR0680  ___________________________________________________________________
MR0680* NAD 83(1994)-  41 01 05.37080(N)    111 06 37.57491(W)     ADJUSTED
MR0680* NAVD 88     -      2804.1    (meters)    9200.     (feet)  VERTCON
MR0680  ___________________________________________________________________
MR0680  LAPLACE CORR-           7.21  (seconds)                    DEFLEC99
MR0680  GEOID HEIGHT-         -14.81  (meters)                     GEOID99
MR0680
MR0680  HORZ ORDER  -  FIRST
MR0680
MR0680.The horizontal coordinates were established by classical geodetic methods
MR0680.and adjusted by the National Geodetic Survey in November 1997.
MR0680
MR0680.The NAVD 88 height was computed by applying the VERTCON shift value to
MR0680.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
MR0680
MR0680.The Laplace correction was computed from DEFLEC99 derived deflections.
MR0680
MR0680.The geoid height was determined by GEOID99.
MR0680
MR0680;                    North         East     Units   Scale      Converg.
MR0680;SPC UT N     - 1,076,122.644   532,765.663   MT  0.99996504 +0 15 24.7
MR0680;SPC WY W     -   158,045.728   713,612.872   MT  1.00002932 -0 40 26.9
MR0680;UTM  12      - 4,540,778.710   490,714.588   MT  0.99960106 -0 04 20.9
MR0680
MR0680:                Primary Azimuth Mark                     Grid Az
MR0680:SPC UT N     -  PORCUPINE AZ MK                          059 12 24.4
MR0680:SPC WY W     -  PORCUPINE AZ MK                          060 08 16.0
MR0680:UTM  12      -  PORCUPINE AZ MK                          059 32 10.0
MR0680
MR0680|---------------------------------------------------------------------|
MR0680| PID    Reference Object                     Distance      Geod. Az  |
MR0680|                                                           dddmmss.s |
MR0680|        PORCUPINE AZ MK                                    0592749.1 |
MR0680| MR0679 AIR BEACON 54                       APPROX. 8.6 KM 0833401.4 |
MR0680|        PORCUPINE RM 1                        6.437 METERS 15935     |
MR0680| LO0708 AIR BCN S END PORCUPINE RIDGE       APPROX. 4.3 KM 1922514.6 |
MR0680|        PORCUPINE RM 2                        7.220 METERS 23003     |
MR0680|---------------------------------------------------------------------|
MR0680
MR0680                          SUPERSEDED SURVEY CONTROL
MR0680
MR0680  NAD 83(1994)-  41 01 05.37082(N)    111 06 37.57475(W) AD(       ) 1
MR0680  NAD 83(1986)-  41 01 05.35671(N)    111 06 37.56425(W) AD(       ) 1
MR0680  NAD 27      -  41 01 05.54480(N)    111 06 34.90610(W) AD(       ) 1
MR0680  NGVD 29     -      2802.7    (m)         9195.     (f) VERT ANG
MR0680
MR0680.Superseded values are not recommended for survey control.
MR0680.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
MR0680.See file dsdata.txt to determine how the superseded data were derived.
MR0680
MR0680_MARKER: DS = TRIANGULATION STATION DISK
MR0680_SETTING: 80 = SET IN A BOULDER
MR0680
MR0680  HISTORY     - Date     Condition        Recov. By
MR0680  HISTORY     - 1938     MONUMENTED       USGS
MR0680  HISTORY     - 1962     GOOD             CGS
MR0680
MR0680                          STATION DESCRIPTION
MR0680
MR0680''DESCRIBED BY US GEOLOGICAL SURVEY 1938 (FGJ)
MR0680''STATION IS IN THE EASTERN PART OF UTAH IN THE NORTHWESTERN PART OF
MR0680''SUMMIT COUNTY.  IT IS ON A BARE TOPPED MOUNTAIN ON PORCUPINE
MR0680''RIDGE WHICH IS ABOUT FOUR MILES WEST OF CHALK CREEK.
MR0680''
MR0680''SURFACE MARK IS A COPPER BOLT IN A BOULDER.
MR0680''REFERENCE MARKS ARE STANDARD BRONZE DISKS SET IN BOULDERS.
MR0680''AZIMUTH MARK IS A STANDARD BRONZE
MR0680''DISK IN BEDROCK.
MR0680''
MR0680''LOCATED ABOUT 18-1/2 MILES AIRLINE SOUTH-SOUTHWEST OF EVANSTON,
MR0680''WYO., 17 MILES EAST-NORTHEAST OF COALVILLE, UTAH, AND ABOUT
MR0680''4-1/2 MILES W OF WYOMING-UTAH STATE LINE.
MR0680''
MR0680''REACHED FROM COALVILE BY GOING EAST ON THE FIRST STREET SOUTH
MR0680''OF WARDS SERVICE STATION AND CAMP, GRAVEL, LEADING UP THE LEFT SIDE
MR0680''OF CHALK CREEK FOR 18.1 MILES TO THE PINE CLIFF DANCE HALL,
MR0680''AND CABINS ON THE RIGHT.  THENCE CONTINUE NORTHEASTERLY UP
MR0680''CHALK CREEK, GRADED DIRT, FOR 5.5 MILES TO A FORK.  THENCE
MR0680''LEFT FORK ON MAIN TRAVELED ROAD TO A BLACK TAR PAPER BUILDING
MR0680''ON THE LEFT.  THENCE CONTINUE STRAIGHT AHEAD FOR 0.9 MILE TO
MR0680''A FORK.  THENCE LEFT FORK NORTHWEST AND NORTH FOR 0.6 MILE TO
MR0680''THE TOP OF A SMALL RIDGE 0.1 MILE BEYOND A WOOD BRIDGE.  THENCE
MR0680''LEFT, WESTERLY, ON DIM TRAIL TO A DIM T ROAD ON TOP OF A
MR0680''SMALL RIDGE.  THENCE CONTINUE WESTERLY CROSS COUNTRY CROSSING
MR0680''A DRY WASH AND KEEPING TO THE NORTH OF A SMALL WASH WITH A
MR0680''LITTLE WATER IN IT FOR 0.3 MILE TO A WELL-TRAVELED TRAIL ROAD.
MR0680''THENCE BEAR LEFT AND FOLLOW TRAIL ROAD NORTHWESTERLY UP
MR0680''A RIDGE FOR 1.3 MILES TO AN OLD TRAIL FORK, THENCE KEEP
MR0680''LEFT FORK 0.05 MILE.  THENCE BEAR LEFT ON DIM TRACKS, KEEPING TO
MR0680''THE LEFT OF A ROCK OUTCROP, AND GO NORTHWESTERLY UP HILL FOR
MR0680''0.1 MILE TO HITTING A WELL-TRAVELED TRAIL ON TOP OF THE RIDGE.
MR0680''THENCE LEFT ON TRAIL ROAD AND GO WESTERLY ALONG TOP OF RIDGE
MR0680''FOR 1.3 MILES TO A FORK.  THENCE LEFT FORK AROUND THE SOUTH SIDE
MR0680''OF A SMALL HILL FOR 0.2 MILE TO A FORK.  THENCE LEFT FORK
MR0680''WESTERLY UP ALONG THE TOP OF RIDGE FOR 1.3 MILES TO WHERE THE
MR0680''ROAD STARTS TO DESCEND.  THERE IS TIMBER ON THE RIGHT SIDE OF
MR0680''ROAD AND A BARE ROUND TOP KNOLL JUST TO THE LEFT.  FROM HERE
MR0680''THE STATION BEARS ABOUT SOUTH-SOUTHWEST ON THE SOUTH PART OF THE
MR0680''HIGHEST HILL IN THE VICINITY.  PACK FROM HERE TO THE SW DOWN
MR0680''HILL ABOUT 100 YARDS TO TIMBER LINE AND PICK UP STOCK
MR0680''TRAIL THAT LEADS AROUND THE NORTH AND WEST SIDE OF A SMALL
MR0680''KNOLL TO A HOGS BACK, THEN SOUTH ALONG TOP OF RIDGE TO TOP OF
MR0680''HILL AND STATION.
MR0680''
MR0680''THERE IS A LARGE ROCK CAIRN ON THE N PART OF THE HILL ABOUT
MR0680''600 FEET N OF THE STATION AND ANOTHER LARGE CAIRN 20 FEET
MR0680''WEST OF THE STATION.
MR0680''
MR0680''THE AZIMUTH MARK IS SET IN THE ROCK OUTCROP MENTIONED IN THE
MR0680''DESCRIPTION AND IS ABOUT 2 MILES NORTHWEST AND ABOUT 800 FEET
MR0680''LOWER THAN THE STATION.
MR0680''
MR0680''STATION IS MARKED BY A 1-INCH COPPER BOLT WITH A SMALL TRIANGLE IN
MR0680''THE CENTER MARKED USGS.  AZIMUTH AND REFERENCE MARKS ARE STAMPED
MR0680''PORCUPINE 1938.
MR0680''
MR0680''HEIGHT OF LIGHT ABOVE STATION MARK - 1 METER.
MR0680
MR0680                          STATION RECOVERY (1962)
MR0680
MR0680''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1962 (JCC)
MR0680''THE STATION MARK, REFERENCE MARKS 1, 2 AND THE AZIMUTH MARK WERE
MR0680''RECOVERED IN GOOD CONDITION.  DUE TO ROAD CHANGES A NEW
MR0680''COMPLETE DESCRIPTION FOLLOWS.
MR0680''
MR0680''THE STATION IS ON A HIGH, BARE TOPPED RIDGE, ABOUT 3-1/2 MILES
MR0680''WEST OF THE UTAH-WYOMING STATE LINE AND 17 MILES SOUTHWEST
MR0680''OF EVANSTON, WYOMING.
MR0680''
MR0680''TO REACH THE STATION FROM FRONT STREET AND WHERE U.S. HIGHWAY
MR0680''30 S TURNS EAST UNDER THE UNDERPASS IN EVANSTON, GO SOUTH ON
MR0680''FRONT STREET WHICH LATER BECOMES STATE HIGHWAY 150, FOR 0.8
MR0680''MILE TO THE WYOMING STATE HOSPITAL ON THE LEFT.  CONTINUE
MR0680''SOUTHERLY ON THE HIGHWAY FOR 7.75 MILES TO A BRIDGE OVER THE
MR0680''BEAR RIVER.  CONTINUE SOUTHERLY AND WEST ON THE HIGHWAY FOR
MR0680''10.95 MILES TO WHERE THE HIGHWAY TURNS LEFT AND A GRAVELED ROAD
MR0680''CONTINUES STRAIGHT AHEAD AND AN OLD SCHOOL HOUSE IN THE
MR0680''SOUTHWEST ANGLE OF THE ROADS.  CONTINUE AHEAD, WEST ON THE
MR0680''GRAVELED ROAD FOR 1.25 MILES TO A CROSSROAD.  CONTINUE AHEAD,
MR0680''WEST, ON THE GRAVELED ROAD FOR 1.25 MILES TO A WOODEN
MR0680''BRIDGE OVER THE BEAR RIVER.  CROSS BRIDGE AND CONTINUE
MR0680''ON THE MAIN ROAD FOR 2.15 MILES TO A SMALL WOODEN BRIDGE.
MR0680''CROSS BRIDGE AND CONTINUE ON THE MAIN ROAD FOR 3.35 MILES TO
MR0680''A FORK.  TAKE THE LEFT FORK FOR 1.6 MILES TO A TRACK ROAD
MR0680''RIGHT AND A SIGN, THESE LANDS ARE CONTROLLED BY ECHO CREEK
MR0680''RANCH OWNERS PROTECTIVE ASSOC. INC.  TURN RIGHT OFF MAIN
MR0680''ROAD AND FOLLOW TRACK ROAD FOR 0.65 MILE TO A FORK.  TAKE THE
MR0680''RIGHT FORK FOR 0.15 MILE TO A WIRE GATE.  PASS THROUGH GATE AND
MR0680''CONTINUE ON TRACK ROAD FOR 0.5 MILE TO A CREEK AND AN
MR0680''OLD LOG CABIN ON THE LEFT.  CROSS CREEK AND CONTINUE ON
MR0680''TRACK ROAD FOR 0.55 MILE TO A WIRE GATE AND A CORRAL ON THE
MR0680''LEFT.  PASS THROUGH GATE AND CONTINUE ON TRACK ROAD FOR 0.8
MR0680''MILE TO A SIDE ROAD RIGHT.  (TO REACH THE AZIMUTH MARK,
MR0680''TURN RIGHT ON SIDE ROAD FOR 0.8 MILE TO A WIRE FENCE, CROSS FENCE
MR0680''AND PACK NORTHEAST FOR ABOUT 200 YARDS TO A LARGE OUTCROP OF ROCK
MR0680''AND THE MARK.) CONTINUE AHEAD ON THE MAIN ROAD, UP HILL FOR 0.4
MR0680''MILE TO A FORK.  TAKE THE LEFT FORK FOR 0.2 MILE TO A FORK.
MR0680''TAKE THE LEFT FORK FOR 0.8 MILE TO A WIRE FENCE AND A LOCKED
MR0680''GATE.  PACK WESTERLY ALONG THE LEFT SIDE OF THE FENCE FOR ABOUT 1
MR0680''MILE, THEN TURN LEFT AND FOLLOW THE FENCELINE SOUTHERLY, UP
MR0680''HILL FOR ABOUT 3/4 MILE TO THE TOP OF THE HILL, THEN PACK
MR0680''SOUTHWESTERLY ACROSS THE TOP OF THE HILL TO THE HIGHEST POINT
MR0680''AND THE STATION.
MR0680''
MR0680''STATION MARK IS A 1 INCH COPPER BOLT WITH A SMALL TRIANGLE IN
MR0680''THE CENTER, STAMPED USGS.  IT PROJECTS 2 INCHES.
MR0680''
MR0680''REFERENCE MARK 1 IS A STANDARD DISK, STAMPED PORCUPINE NO 1
MR0680''1938, CEMENTED IN A DRILL HOLE IN A 2 X 4 FOOT OUTCROP OF ROCK
MR0680''PROJECTING 1 FOOT.  IT IS ABOUT THE SAME ELEVATION AS THE
MR0680''STATION.
MR0680''
MR0680''REFERENCE MARK 2 IS A STANDARD DISK, STAMPED PORCUPINE NO 2
MR0680''1938, CEMENTED IN A DRILL HOLE IN A 1 X 2 FOOT OUTCROP OF ROCK
MR0680''PROJECTING 4 INCHES.  IT IS ABOUT 1 FOOT LOWER THAN THE STATION.
MR0680''
MR0680''AZIMUTH MARK IS A STANDARD DISK, STAMPED PORCUPINE 1938, CEMENTED
MR0680''IN A DRILL HOLE IN A 2 X 3 FOOT OUTCROP OF ROCK PROJECTING 2 FEET
MR0680''TO THE SOUTH AND FLUSH TO THE NORTH.  IT IS 3.7 FEET
MR0680''SOUTH-SOUTHWEST OF A WITNESS POST AND ABOUT 200 YARDS NORTHEAST OF
MR0680''WHERE A FENCE BLOCKS THE TRACK ROAD.