MY3345 ***********************************************************************
MY3345  DESIGNATION -  HIGH ROCK RESET
MY3345  PID         -  MY3345
MY3345  STATE/COUNTY-  MA/NORFOLK
MY3345  USGS QUAD   -
MY3345
MY3345                         *CURRENT SURVEY CONTROL
MY3345  ___________________________________________________________________
MY3345* NAD 83(1996)-  42 16 09.33832(N)    071 14 46.07633(W)     ADJUSTED
MY3345* NAVD 88     -        78.     (meters)     256.     (feet)  SCALED
MY3345  ___________________________________________________________________
MY3345  LAPLACE CORR-           2.26  (seconds)                    DEFLEC99
MY3345  GEOID HEIGHT-         -28.17  (meters)                     GEOID99
MY3345
MY3345  HORZ ORDER  -  SECOND
MY3345
MY3345.The horizontal coordinates were established by classical geodetic methods
MY3345.and adjusted by the National Geodetic Survey in June 1998.
MY3345
MY3345.The orthometric height was scaled from a topographic map.
MY3345
MY3345.The Laplace correction was computed from DEFLEC99 derived deflections.
MY3345
MY3345.The geoid height was determined by GEOID99.
MY3345
MY3345;                    North         East     Units   Scale      Converg.
MY3345;SPC MA M     - 2,923,248.11    724,878.70   sFT  0.99996527 +0 10 13.9
MY3345;SPC MA M     -   891,007.805   220,943.469   MT  0.99996527 +0 10 13.9
MY3345;UTM  19      - 4,682,115.477   314,762.335   MT  1.00002221 -1 30 40.4
MY3345
MY3345:                Primary Azimuth Mark                     Grid Az
MY3345:SPC MA M     -  WALTHAM TV STATION WBZ MAST              009 37 20.9
MY3345:UTM  19      -  WALTHAM TV STATION WBZ MAST              011 18 15.2
MY3345
MY3345|---------------------------------------------------------------------|
MY3345| PID    Reference Object                     Distance      Geod. Az  |
MY3345|                                                           dddmmss.s |
MY3345| MY3322 WALTHAM TV STATION WBZ MAST         APPROX. 4.6 KM 0094734.8 |
MY3345| MY3324 WALTHAM TV STATION WHDH MAST        APPROX. 4.7 KM 0233059.3 |
MY3345| MY3354 NEEDHAM HIGH SCHOOL                 APPROX. 2.3 KM 0320406.5 |
MY3345|        HIGH ROCK RM 2                       11.747 METERS 04017     |
MY3345|        HIGH ROCK RM 1                        5.885 METERS 23022     |
MY3345| MY3648 NEEDHAM RAD STA WHDH CEN MAST       APPROX. 1.9 KM 2993932.1 |
MY3345|---------------------------------------------------------------------|
MY3345
MY3345                          SUPERSEDED SURVEY CONTROL
MY3345
MY3345  NAD 83(1996)-  42 16 09.33682(N)    071 14 46.07622(W) AD(       ) 2
MY3345  NAD 83(1992)-  42 16 09.33694(N)    071 14 46.07589(W) AD(       ) 2
MY3345  NAD 83(1992)-  42 16 09.33935(N)    071 14 46.07400(W) AD(       ) 2
MY3345  NAD 83(1986)-  42 16 09.33922(N)    071 14 46.07278(W) AD(       ) 2
MY3345  NAD 27      -  42 16 08.98600(N)    071 14 47.87300(W) AD(       ) 2
MY3345
MY3345.Superseded values are not recommended for survey control.
MY3345.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
MY3345.See file dsdata.txt to determine how the superseded data were derived.
MY3345
MY3345  HISTORY     - Date     Condition        Recov. By
MY3345  HISTORY     - 1958     MONUMENTED       CGS
MY3345  HISTORY     - 1936     SEE DESCRIPTION  MAGS
MY3345  HISTORY     - 1958     SEE DESCRIPTION  CGS
MY3345
MY3345                          STATION DESCRIPTION
MY3345
MY3345''DESCRIBED BY MASSACHUSETTS GEODETIC SURVEY 1936
MY3345''THIS STATION IS AN OCCUPIED SECOND-ORDER STATION MARKED BY A
MY3345''3/4-INCH DRILL HOLE WITHIN A 2 1/2-INCH TRIANGLE CUT IN THE
MY3345''SUMMIT OF A HUGE LEDGE KNOWN AS HIGH ROCK ESTABLISHED BY THE
MY3345''STATE OF MASSACHUSETTS.  LOCATED ABOUT 1 MILE SW FROM NEEDHAM
MY3345''TOWN HALL, IN THE S CENTRAL PART OF THE TOWN.
MY3345''
MY3345''NO REFERENCE MARKS ESTABLISHED.
MY3345''
MY3345''AZIMUTH MARK, NEEDHAM TOWN HALL, A MASSACHUSETTS GEODETIC
MY3345''SURVEY SECOND-ORDER STATION, MARKED BY A SHAFT OF A WEATHER
MY3345''VANE BEARING A BALL AND CARDINAL POINTS, ON THE GILDED DOME OF
MY3345''THE BELFRY ABOVE THE CLOCK TOWER ON THE RED BRICK TOWN HALL, IN
MY3345''GEODETIC AZIMUTH 211 DEG 16 MIN 15.7 SEC FROM STATION.
MY3345''
MY3345''VIEW FROM GROUND GOOD IN ALL DIRECTIONS.
MY3345''
MY3345''TO REACH STATION FROM NEEDHAM TOWN HALL, FOLLOW CHESTNUT
MY3345''STREET S ABOUT 1 MILE, TURN SHARP RIGHT, NW, INTO HIGH ROCK
MY3345''STREET, GO 0.3 MILE TO BRIDGE OVER WOONSOCKET BRANCH OF THE NEW
MY3345''YORK NEW HAVEN AND HARTFORD RAILWAY AND CONTINUE 590 FEET TO A
MY3345''PATH ON LEFT WHICH LEADS 700 FEET SOUTHERLY UPHILL THROUGH
MY3345''WOODS TO STATION.  LEDGE IS VISIBLE FROM HIGH ROCK STREET.
MY3345
MY3345                          STATION RECOVERY (1958)
MY3345
MY3345''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1958 (GWM)
MY3345''THE STATION WAS RECOVERED AND FOUND
MY3345''AS DESCRIBED.  THE STATION WAS MARKED BY A 3/4 INCH DRILL HOLE
MY3345''IN THE HUGE BOULDER.  A STANDARD STATION MARK DISK WAS SET IN
MY3345''THE DRILL HOLE.  REFERENCE MARKS 1 AND 2 WERE ESTABLISHED AT
MY3345''THIS TIME.
MY3345''
MY3345''A NEW DESCRIPTION OF THE STATION AND A TO REACH FOLLOWS--
MY3345''
MY3345''THE STATION IS LOCATED ABOUT 1 MILE SOUTHWEST OF NEEDHAM TOWN
MY3345''HALL, IN THE SOUTH CENTRAL SECTION OF NEEDHAM, IN A HUGE
MY3345''BOULDER KNOWN LOCALLY AS HIGH ROCK.  THE DISK IS SET FLUSH IN A
MY3345''DRILL HOLE IN THE HIGHEST POINT OF THE MOST WESTERLY ONE OF TWO
MY3345''HIGH POINTS OF THE HUGE BOULDER.  THE DISK IS STAMPED HIGH ROCK
MY3345''1886 1958.  NOTE 2.
MY3345''
MY3345''TO REACH THE STATION FROM THE NEEDHAM TOWN HALL, ON CHESTNUT
MY3345''STREET, IN NEEDHAM, GO SOUTH ON CHESTNUT STREET FOR 0.75 MILE
MY3345''TO HIGH ROCK STREET.  TURN SHARP RIGHT AND GO NORTHWEST ON HIGH
MY3345''ROCK STREET FOR 0.25 MILE TO A BRIDGE OVER A RAILROAD
MY3345''TRACK.  CONTINUE NORTHWEST ON HIGH ROCK STREET FOR 0.25 MILE TO A
MY3345''WOODS ROAD ON THE LEFT.  TURN LEFT AND GO WESTERLY ON THE WOODS
MY3345''ROAD FOR 0.05 MILE TO A Y-FORK.  KEEP LEFT FORK AND GO SOUTHWEST
MY3345''FOR 0.1 MILE AT THE SOUTH SIDE OF THE HUGE BOULDER.  FROM THIS
MY3345''POINT PACK UP HILL (NORTHERLY) FOR ABOUT 200 FEET AND
MY3345''PICK WAY UP HILL AND TO THE TOP OF THE ROCK AND THE STATION
MY3345''AS DESCRIBED.
MY3345''
MY3345''REFERENCE MARK 1 IS 20 FEET WESTERLY OF THE MOST WESTERLY ONE
MY3345''OF THE TWO HIGHEST POINTS OF THE BOULDER, 4 FEET EAST OF THE
MY3345''WEST EDGE OF THE BOULDER AND ABOUT MIDWAY BETWEEN THE NORTH AND
MY3345''SOUTH SIDES OF THE BOULDER.  THE DISK IS SET FLUSH IN A DRILL
MY3345''HOLE.  THE DISK IS STAMPED HIGH ROCK NO 1 1886 1958.
MY3345''
MY3345''REFERENCE MARK 2 IS SET FLUSH IN A DRILL HOLE IN THE HIGHEST
MY3345''POINT OF THE MOST EASTERLY ONE OF THE TWO HIGHEST POINTS OF THE
MY3345''BOULDER.  THE DISK IS STAMPED HIGH ROCK NO 2 1886 1958.