National Geodetic Survey, Retrieval Date = JULY 31, 1997 MZ1962 *********************************************************************** MZ1962 DESIGNATION - GREYLOCK MZ1962 PID - MZ1962 MZ1962 STATE/COUNTY- MA/BERKSHIRE MZ1962 USGS QUAD - WILLIAMSTOWN MZ1962 MZ1962 *CURRENT SURVEY CONTROL MZ1962 ___________________________________________________________________ MZ1962* NAD 83(1992)- 42 38 13.93106(N) 073 09 57.53769(W) ADJUSTED MZ1962* NAVD 88 - 1063. (meters) 3488. (feet) SCALED MZ1962 ___________________________________________________________________ MZ1962 LAPLACE CORR- 8.06 (seconds) DEFLEC96 MZ1962 GEOID HEIGHT- -29.40 (meters) GEOID96 MZ1962 MZ1962 HORZ ORDER - FIRST MZ1962 MZ1962 MZ1962 MZ1962.The horizontal coordinates were established by classical geodetic methods MZ1962.and adjusted by the National Geodetic Survey in October 1995. MZ1962 MZ1962.The orthometric height was scaled from a topographic map. MZ1962 MZ1962.The Laplace correction was computed from DEFLEC96 derived deflections. MZ1962 MZ1962.The geoid height was determined by GEOID96. MZ1962 MZ1962; North East Units Scale Converg. MZ1962;SPC MA M - 3,061,614.13 207,897.31 sFT 0.99999354 -1 07 08.7 MZ1962;SPC MA M - 933,181.853 63,367.228 MT 0.99999354 -1 07 08.7 MZ1962;SPC NY E - 423,235.935 259,404.744 MT 1.00004722 +0 54 13.3 MZ1962;SPC VT - 15,455.598 445,378.569 MT 1.00000098 -0 27 04.0 MZ1962;UTM 18 - 4,722,158.498 650,366.378 MT 0.99987818 +1 14 33.0 MZ1962 MZ1962: Primary Azimuth Mark Grid Az MZ1962:SPC MA M - HELDERBURG 1874 270 30 43.5 MZ1962:SPC NY E - HELDERBURG 1874 268 29 21.5 MZ1962:SPC VT - HELDERBURG 1874 269 50 38.8 MZ1962:UTM 18 - HELDERBURG 1874 268 09 01.8 MZ1962 MZ1962|---------------------------------------------------------------------| MZ1962| PID Reference Object Distance Geod. Az | MZ1962| dddmmss.s | MZ1962| NA2011 HELDERBURG 1874 APPROX.69.3 KM 2692334.8 | MZ1962|---------------------------------------------------------------------| MZ1962 MZ1962 SUPERSEDED SURVEY CONTROL MZ1962 MZ1962 NAD 83(1986)- 42 38 13.93318(N) 073 09 57.53525(W) ADJUSTED MZ1962 NAD 27 - 42 38 13.64300(N) 073 09 59.16000(W) ADJUSTED MZ1962 MZ1962.Superseded values are not recommended for survey control. MZ1962.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MZ1962.See file format.dat to determine how the superseded data were derived. MZ1962 MZ1962_MARKER: B = BOLT MZ1962_SETTING: 66 = SET IN ROCK OUTCROP MZ1962_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD MZ1962+STABILITY: POSITION/ELEVATION WELL MZ1962 MZ1962 HISTORY - Date Condition Recov. By MZ1962 HISTORY - 1874 MONUMENTED CGS MZ1962 HISTORY - 1897 GOOD CGS MZ1962 HISTORY - 1931 SEE DESCRIPTION CGS MZ1962 HISTORY - 1934 MARK NOT FOUND CGS MZ1962 MZ1962 STATION DESCRIPTION MZ1962 MZ1962'DESCRIBED BY COAST AND GEODETIC SURVEY 1897 MZ1962'ON THE MOUNTAIN OF THE SAME NAME IN THE SOUTHWESTERN PART OF THE TOWN MZ1962'OF ADAMS. THE STATION IS ABOUT 10.6 METERS (35 FEET) S OF THE MZ1962'HIGHEST PART OF THE MOUNTAIN AND IS MARKED WITH A COPPER BOLT SET IN MZ1962'THE ROCK. FOUR REFERENCE MARKS, EACH A DRILL HOLE IN A ROCK MZ1962'SURROUNDED BY A SQUARE, WITH ARROWS POINTING TOWARD THE STATION, MZ1962'ARE LOCATED AS FOLLOWS--NO. 1, DISTANT 18.72 METERS (61.42 FEET), MZ1962'NO. 2, DISTANT 5.39 METERS MZ1962'(17.68 FEET), NO. 3, DISTANT 16.13 MZ1962'METERS (52.92 FEET), NO. 4, DISTANT MZ1962'12.78 METERS (41.93 FEET), THE FOUR MZ1962'CORNERS OF GREYLOCK TOWER ARE REFERENCED FROM THE STATION AS MZ1962'FOLLOWS--WESTERN CORNER, DISTANT 8.00 METERS (26.22 FEET), IN MZ1962'NORTHERN CORNER, DISTANT 12.37 METERS MZ1962'(40.58 FEET), SOUTHERN CORNER, MZ1962'DISTANT 4.27 METERS (14.01 FEET), MZ1962'EASTERN CORNER, DISTANT 10.35 METERS (33.96 FEET). MZ1962 MZ1962 STATION RECOVERY (1931) MZ1962 MZ1962'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1931 (LSH) MZ1962'THE STATION AND THE FOUR OLD REFERENCE MARKS WERE FOUND AS DESCRIBED. MZ1962'THE TOWER WAS DESTROYED. THE STATION AND THE FOUR OLD MARKS ARE TO MZ1962'BE DESTROYED DURING THE CONSTRUCTION OF A WAR MEMORIAL MONUMENT. MZ1962'REFERENCE MARK NO. 6 IS A STANDARD BRONZE DISK SET IN CEMENT IN A MZ1962'LARGE OUTCROP OF WHITE QUARTZITE. THE OTHER THREE NEW MARKS ARE MZ1962'STANDARD BRONZE DISKS SET IN CEMENT IN OUTCROPS OF DARK BEDROCK. MZ1962 MZ1962 STATION RECOVERY (1934) MZ1962 MZ1962'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1934 (RHA) MZ1962'THE STATION COULD NOT BE FOUND. ONE REFERENCE MARK, A DRILL HOLE IN MZ1962'A ROCK SURROUNDED BY A SQUARE, WITH AN ARROW POINTING AT ABOUT MZ1962'S 10 DEG W, WAS FOUND. THIS IS PROBABLY REFERENCE MZ1962'MARK NO. 1 OF THE OLD DESCRIPTION. A POINT OF 61.42 FEET IN THE MZ1962'DIRECTION OF THIS ARROW WOULD COME UNDER THE MASONRY OF THE NEW MZ1962'MEMORIAL TOWER ERECTED BY THE STATE IN 1930-32. MZ1962' MZ1962'ALSO, FOUR STANDARD BRONZE DISKS WERE FOUND WITH THEIR ARROWS MZ1962'POINTING APPROXIMATELY IN THE FOLLOWING DIRECTIONS -- MZ1962'NO. 5 - S 2 DEG W, NO. 6 - N 58 DEG W, NO. 7 - N 35 DEG W, MZ1962'NO. 8 - S 60 DEG E. MZ1962' MZ1962'THESE LINES INTERSECT APPROXIMATELY AT A POINT UNDER THE MASONRY AT MZ1962'THE SE PART OF THE TOWER. MZ1962' MZ1962'SEE DESCRIPTION OF GREYLOCK RM 1 AND GREYLOCK RM 8. National Geodetic Survey, Retrieval Date = JULY 31, 1997 MZ1961 *********************************************************************** MZ1961 DESIGNATION - GREYLOCK MEMORIAL TOWER MZ1961 PID - MZ1961 MZ1961 STATE/COUNTY- MA/BERKSHIRE MZ1961 USGS QUAD - WILLIAMSTOWN MZ1961 MZ1961 *CURRENT SURVEY CONTROL MZ1961 ___________________________________________________________________ MZ1961* NAD 83(1992)- 42 38 14.12811(N) 073 09 57.58760(W) ADJUSTED MZ1961* NAVD 88 - MZ1961 ___________________________________________________________________ MZ1961 LAPLACE CORR- 8.07 (seconds) DEFLEC96 MZ1961 GEOID HEIGHT- -29.40 (meters) GEOID96 MZ1961 MZ1961 HORZ ORDER - THIRD MZ1961 MZ1961 MZ1961 MZ1961.The horizontal coordinates were established by classical geodetic methods MZ1961.and adjusted by the National Geodetic Survey in October 1995. MZ1961 MZ1961 MZ1961.The Laplace correction was computed from DEFLEC96 derived deflections. MZ1961 MZ1961.The geoid height was determined by GEOID96. MZ1961 MZ1961; North East Units Scale Converg. MZ1961;SPC MA M - 3,061,634.15 207,893.97 sFT 0.99999355 -1 07 08.8 MZ1961;SPC MA M - 933,187.954 63,366.209 MT 0.99999355 -1 07 08.8 MZ1961;SPC NY E - 423,241.997 259,403.511 MT 1.00004721 +0 54 13.3 MZ1961;SPC VT - 15,461.687 445,377.480 MT 1.00000098 -0 27 04.1 MZ1961;UTM 18 - 4,722,164.552 650,365.109 MT 0.99987817 +1 14 33.0 MZ1961 MZ1961 SUPERSEDED SURVEY CONTROL MZ1961 MZ1961 NAD 83(1986)- 42 38 14.12897(N) 073 09 57.58978(W) ADJUSTED MZ1961 NAD 27 - 42 38 13.84010(N) 073 09 59.22915(W) ADJUSTED MZ1961 MZ1961.Superseded values are not recommended for survey control. MZ1961.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MZ1961.See file format.dat to determine how the superseded data were derived. MZ1961 MZ1961_MARKER: 55 = TOWER MZ1961_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY MZ1961 MZ1961 HISTORY - Date Condition Recov. By MZ1961 HISTORY - 1937 FIRST OBSERVED MAGS MZ1961 HISTORY - 1937 GOOD MAGS MZ1961 HISTORY - 1942 GOOD CGS MZ1961 HISTORY - 19820907 GOOD NGS MZ1961 MZ1961 STATION DESCRIPTION MZ1961 MZ1961'DESCRIBED BY MASSACHUSETTS GEODETIC SURVEY 1937 MZ1961'THE STATION IS MARKED BY THE POINTED FINIAL ON TOP OF ILLUMINATED MZ1961'GLOBE SURMOUNTING NEW STONE TOWER. MZ1961' MZ1961'LOCATED ON THE SUMMIT OF MOUNT GREYLOCK, ON THE WESTERN EDGE OF THE MZ1961'TOWN OF ADAMS. MZ1961 MZ1961 STATION RECOVERY (1937) MZ1961 MZ1961'RECOVERY NOTE BY MASSACHUSETTS GEODETIC SURVEY 1937 MZ1961'RECOVERED IN GOOD CONDITION. MZ1961 MZ1961 STATION RECOVERY (1942) MZ1961 MZ1961'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1942 (GWL) MZ1961'THIS INTERSECTION STATION IS LOCATED ON THE NORTHERN END OF GREYLOCK MZ1961'MOUNTAIN, ABOUT 5 MILES N OF CHESHIRE. IT IS A MASONRY PYRAMID MZ1961'ABOUT 200 FEET TALL AND IS A VERY PROMINENT OBJECT. THE POINT MZ1961'OBSERVED UPON WAS THE TIP OF THE PYRAMID. THIS STATION WAS NOT MZ1961'VISITED. MZ1961 MZ1961 STATION RECOVERY (1982) MZ1961 MZ1961'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1982 MZ1961'THIS INTERSECTION STATION IS LOCATED ON THE NORTHERN END OF GREYLOCK MZ1961'MOUNTAIN, ABOUT 5 MILES NORTH OF CHESHIRE. IT IS A MASONERY PYRAMID MZ1961'ABOUT 200 FEET TALL AND IS VERY A PROMINENT OBJECT. THE POINT OBSERVED MZ1961'TO WAS THE TOP TIP OF THE PYRAMID.