1 National Geodetic Survey, Retrieval Date = DECEMBER 2, 2002 MY3611 *********************************************************************** MY3611 DESIGNATION - RED BRUSH 1834 MY3611 PID - MY3611 MY3611 STATE/COUNTY- MA/NORFOLK MY3611 USGS QUAD - MY3611 MY3611 *CURRENT SURVEY CONTROL MY3611 ___________________________________________________________________ MY3611* NAD 83(1996)- 42 01 49.36812(N) 071 22 21.72889(W) ADJUSTED MY3611* NAVD 88 - 139.3 (meters) 457. (feet) VERTCON MY3611 ___________________________________________________________________ MY3611 LAPLACE CORR- 3.16 (seconds) DEFLEC99 MY3611 GEOID HEIGHT- -28.93 (meters) GEOID99 MY3611 MY3611 HORZ ORDER - THIRD MY3611 MY3611.The horizontal coordinates were established by classical geodetic methods MY3611.and adjusted by the National Geodetic Survey in June 1998. MY3611 MY3611.The NAVD 88 height was computed by applying the VERTCON shift value to MY3611.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) MY3611 MY3611.The Laplace correction was computed from DEFLEC99 derived deflections. MY3611 MY3611.The geoid height was determined by GEOID99. MY3611 MY3611; North East Units Scale Converg. MY3611;SPC MA M - 864,451.466 210,541.348 MT 0.99996894 +0 05 07.8 MY3611;SPC MA M - 2,836,121.18 690,751.07 sFT 0.99996894 +0 05 07.8 MY3611;SPC RI - 105,190.631 110,541.614 MT 0.99999512 +0 05 06.8 MY3611;UTM 19 - 4,655,873.005 303,586.009 MT 1.00007472 -1 35 20.7 MY3611 MY3611 SUPERSEDED SURVEY CONTROL MY3611 MY3611 NAD 83(1992)- 42 01 49.36683(N) 071 22 21.72787(W) AD( ) 3 MY3611 NAD 83(1986)- 42 01 49.36689(N) 071 22 21.72483(W) AD( ) 3 MY3611 NAD 27 - 42 01 49.01200(N) 071 22 23.51900(W) AD( ) 3 MY3611 NGVD 29 - 139.6 (m) 458. (f) VERT ANG MY3611 MY3611.Superseded values are not recommended for survey control. MY3611.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MY3611.See file dsdata.txt to determine how the superseded data were derived. MY3611 MY3611_U.S. NATIONAL GRID SPATIAL ADDRESS: 19TCG0358655873(NAD 83) MY3611_MARKER: B = BOLT MY3611_SETTING: 66 = SET IN ROCK OUTCROP MY3611_MARK LOGO: MAGS MY3611_MAGNETIC: O = OTHER; SEE DESCRIPTION MY3611_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD MY3611+STABILITY: POSITION/ELEVATION WELL MY3611_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR MY3611+SATELLITE: SATELLITE OBSERVATIONS - May 05, 2002 MY3611 MY3611 HISTORY - Date Condition Report By MY3611 HISTORY - UNK MONUMENTED MY3611 HISTORY - 1889 GOOD CGS MY3611 HISTORY - 1932 GOOD CGS MY3611 HISTORY - 1934 GOOD MAGS MY3611 HISTORY - 1934 GOOD MAGS MY3611 HISTORY - 19590108 GOOD MAGS MY3611 HISTORY - 20020505 GOOD USPSQD MY3611 MY3611 STATION DESCRIPTION MY3611 MY3611'DESCRIBED BY COAST AND GEODETIC SURVEY 1889 MY3611'STATION IS ON THE SUMMIT OF RED BRUSH HILL (NOW GENERALLY MY3611'KNOWN AS BLAKES HILL) ABOUT 3/4 MILE SE OF SHELDONVILLE AND 3/4 MY3611'MILE NE OF THE NE CORNER OF THE RHODE ISLAND AND MASSACHUSETTS MY3611'BOUNDARY. THE STATION IS A COPPER BOLT SET IN THE ROCK. MY3611 MY3611 STATION RECOVERY (1932) MY3611 MY3611'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1932 (KTA) MY3611'STATION IS ON THE SUMMIT OF RED BRUSH HILL (BLAKES HILL) IN THE MY3611'TOWN OF WRENTHAM, ABOUT 3/4 MILE SE OF SHELDONVILLE AND 1 MILE MY3611'NE OF THE NORTHEASTERN CORNER OF RHODE ISLAND. THE STATION IS ON MY3611'A SMALL AREA OF OUTCROPPING ROCK BUT THERE ARE SEVERAL OTHER MY3611'AREAS OF MORE PROMINENT OUTCROP. NAMELY, 27 METERS S OF THE MY3611'STATION IS A VERY PROMINENT SMOOTH OUTCROP WITH NO TREES AND MY3611'29 METERS NE BY E OF THE STATION IS ANOTHER LARGE ROCKY AREA MY3611'NEARLY TREELESS. IN 1932, THE REMAINS OF A TRIPOD WERE FOUND MY3611'AND THE AREA NEAR THE STATION WAS OVERGROWN BY TREES ABOUT 10 MY3611'YEARS OLD. MY3611' MY3611'A TRANSMISSION POWER LINE NOW CROSSES THE HILL RUNNING IN A MY3611'SE AND NW DIRECTION IN A CLEARED PATH 18 METERS WIDE. THE STATION MY3611'IS 41 METERS NE OF THE POWER LINE. AN INDISTINCT TRAIL ASCENDS MY3611'THE SUMMIT FROM THE S TO THE FIRST OUTCROP OF ROCK MENTIONED MY3611'AND THENCE PASSES ABOUT 5 METERS E OF THE STATION. MY3611' MY3611'THE STATION IS MARKED BY A COPPER BOLT SET IN THE ROCK, WITH MY3611'A CROSS IN THE HEAD AND A PILE OF STONES WAS PLACED AROUND IT IN MY3611'1932. MY3611 MY3611 STATION RECOVERY (1934) MY3611 MY3611'RECOVERY NOTE BY MASSACHUSETTS GEODETIC SURVEY 1934 MY3611'THE STATION IS CORRECTLY LOCATED IN THE TRIANGULATION MANUAL MY3611'BUT THE DETAIL OF LOCATION IS SIMPLY A COPPER BOLT SET IN THE MY3611'LEDGE ON THE SUMMIT OF RED BRUSH HILL. THE STATION WAS EASILY MY3611'FOUND BECAUSE OF THE PRESENCE OF THE REMAINS OF WHAT APPEARED MY3611'TO BE AN OLD TRIPOD AND POLE SIGNAL AND BECAUSE OF THE RECENT MY3611'CLEARING OF THE IMMEDIATE LOCALITY BY WOODCHOPPERS. A HIGH MY3611'TENSION POWER LINE ON WOOD POLES NOW RUNS OVER THE HILL JUST TO MY3611'THE W OF THE STATION FROM WHICH THE TRIANGULATION POINT CAN BE MY3611'LOCATED APPROXIMATELY BY INTERSECTING THREE MEASUREMENTS. MY3611'153.7 FEET EASTERLY FROM THE POLE STANDING HIGHEST ON THE HILL. MY3611'263 FEET FROM THE NEXT POLE TO THE N, AND 173.5 FEET FROM MY3611'THE NEXT POLE TO THE S. THE POLES ARE WITHOUT NUMBERS. THE MY3611'COPPER BOLT IS IN GOOD CONDITION, IS FIRM, AND HAS A CROSS CUT MY3611'IN ITS TOP. NO OTHER REFERENCE POINTS NEARBY ARE AVAILABLE. MY3611 MY3611 STATION RECOVERY (1934) MY3611 MY3611'RECOVERY NOTE BY MASSACHUSETTS GEODETIC SURVEY 1934 MY3611'THE STATION WAS FOUND IN EXCELLENT CONDITION AS DESCRIBED WITH MY3611'THE FOLLOWING CORRECTIONS AND ADDITIONS--BLAKES HILL IS IN THE MY3611'SOUTHERN PART OF WRENTHAM TOWNSHIP, ABOUT 1 MILE SE OF MY3611'SHELDONVILLE AND 1 MILE NE OF THE NE CORNER OF THE RHODE ISLAND MY3611'AND MASSACHUSETTS BOUNDARY. THE STATION IS ABOUT 5 FEET S OF MY3611'THE HIGHEST PART OF THE LEDGE AND IS MARKED BY A COPPER BOLT SET MY3611'IN LEDGE WITH A CROSS IN THE HEAD. POLE NO. 437 ON THE UNION MY3611'LIGHT AND POWER COMPANY TRANSMISSION LINE IS DISTANT ABOUT 150 MY3611'FEET SW FROM THE STATION. MY3611 MY3611 STATION RECOVERY (1959) MY3611 MY3611'RECOVERY NOTE BY MASSACHUSETTS GEODETIC SURVEY 1959 MY3611'RECOVERED IN GOOD CONDITION. MY3611 MY3611 STATION RECOVERY (2002) MY3611 MY3611'RECOVERY NOTE BY US POWER SQUADRON 2002 (WCB) MY3611'RECOVERED IN GOOD CONDITION.