National Geodetic Survey, Retrieval Date = JULY 30, 1997 FB2736 *********************************************************************** FB2736 DESIGNATION - MITCHELL FB2736 PID - FB2736 FB2736 STATE/COUNTY- NC/YANCEY FB2736 USGS QUAD - MT MITCHELL FB2736 FB2736 *CURRENT SURVEY CONTROL FB2736 ___________________________________________________________________ FB2736* NAD 83(1986)- 35 45 53.39265(N) 082 15 54.11612(W) ADJUSTED FB2736* NAVD 88 - 2042. (meters) 6699. (feet) SCALED FB2736 ___________________________________________________________________ FB2736 LAPLACE CORR- -8.55 (seconds) DEFLEC96 FB2736 GEOID HEIGHT- -30.11 (meters) GEOID96 FB2736 FB2736 HORZ ORDER - FIRST FB2736 FB2736.The North Carolina/South Carolina HARNS have been completed but, FB2736.due to contractual restrictions, coordinates for these stations FB2736.will NOT be published in the near future. In the interim, the FB2736.published coordinates in North and South Carolina will not be FB2736.consistent with the Continuously Operating Reference Stations FB2736.(CORS). The HARN coordinates for these stations are available FB2736.upon request. Contact Gary Thompson(919-733-3836), or Sid FB2736.Miller(803-896-7700). FB2736. FB2736.In addition, the published North and South Carolina positions FB2736.(NAD 83 (1986)) are NOT consistent with those determined in FB2736.adjacent state readjustments. The discontinuity between stations FB2736.located in North or South Carolina and those in adjacent states FB2736.which have been adjusted to the HARN may be as much as 5 FB2736.decimeters. This will result in a significant loss of accuracy FB2736.over lines crossing such state borders. FB2736 FB2736 FB2736.The horizontal coordinates were established by classical geodetic methods FB2736.and adjusted by the National Geodetic Survey in July 1986. FB2736 FB2736.The orthometric height was scaled from a topographic map. FB2736 FB2736.The Laplace correction was computed from DEFLEC96 derived deflections. FB2736 FB2736.The geoid height was determined by GEOID96. FB2736 FB2736; North East Units Scale Converg. FB2736;SPC NC - 228,363.595 314,421.366 MT 0.99991259 -1 53 04.1 FB2736;UTM 17 - 3,958,603.221 385,645.138 MT 0.99976114 -0 44 22.0 FB2736 FB2736: Primary Azimuth Mark Grid Az FB2736:SPC NC - MITCHELL AZ MK 126 27 06.7 FB2736:UTM 17 - MITCHELL AZ MK 125 18 24.6 FB2736 FB2736|---------------------------------------------------------------------| FB2736| PID Reference Object Distance Geod. Az | FB2736| dddmmss.s | FB2736| FB3461 MITCHELL AZ MK 1243402.6 | FB2736| FB3462 MITCHELL RM 1 31252 | FB2736| FB2737 MITCHELL 2 12.839 METERS 33338 | FB2736| FB3463 MITCHELL RM 2 34927 | FB2736|---------------------------------------------------------------------| FB2736 FB2736 SUPERSEDED SURVEY CONTROL FB2736 FB2736 NAD 27 - 35 45 52.97300(N) 082 15 54.67500(W) ADJUSTED FB2736 FB2736.Superseded values are not recommended for survey control. FB2736.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. FB2736.See file format.dat to determine how the superseded data were derived. FB2736 FB2736_MARKER: X = CHISELED CROSS FB2736_SETTING: 0 = UNSPECIFIED SETTING FB2736 FB2736 HISTORY - Date Condition Recov. By FB2736 HISTORY - 1933 MONUMENTED CGS FB2736 HISTORY - 1959 MARK NOT FOUND CGS FB2736 FB2736 STATION DESCRIPTION FB2736 FB2736'DESCRIBED BY COAST AND GEODETIC SURVEY 1933 (LGS) FB2736'STATION IS ON TOP OF STONE AND CONCRETE TOWER ON HIGHEST POINT OF FB2736'MOUNT MITCHELL. TO REACH FROM BLACK MOUNTAIN, GO EAST 2 MILES FB2736'ON ROUTE 20 AND 70, TURN LEFT ONTO TOLL ROAD, AND PROCEED 18-1/2 FB2736'MILES TO HOTEL. ROAD FROM HOTEL GOES TO WITHIN ONE-FOURTH MILE FB2736'OF SUMMIT. STATION IS CROSS CUT IN TOP OF CAST-IRON PIPE WHICH FB2736'SUPPORTS SPIRAL STAIRWAY TO ROOF OF TOWER, 3.196 METERS (10.49 FB2736'FEET) FROM NORTH CORNER OF TOWER, 3.190 METERS (10.47 FEET) FROM WEST FB2736'CORNER, 3.202 METERS (10.51 FEET) FROM SOUTH CORNER, AND 3.200 FB2736'METERS (10.50 FEET) FROM EAST CORNER. REFERENCE MARK NO. 1 IS FB2736'STANDARD REFERENCE DISK IN CONCRETE, 13.787 METERS (45.23 FB2736'FEET) FROM NORTH OUTSIDE CORNER OF TOWER, 12.284 METERS FB2736'(40.30 FEET) FROM WEST CORNER, AND IN 47 DEG 08 MIN W FROM FB2736'STATION. REFERENCE MARK NO. 2 IS FB2736'STANDARD REFERENCE DISK IN ROCK OUTCROP, 17.406 METERS FB2736'(57.11 FEET) FROM NORTH OUTSIDE CORNER OF TOWER, 21.269 FB2736'METERS (69.78 FEET) FROM WEST CORNER, AND N 10 DEG 33 MIN W FB2736'FROM STATION. AZIMUTH MARK IS STANDARD REFERENCE DISK IN ROCK FB2736'OUTCROP, 200 YARDS SOUTHEAST OF FORESTERS CABIN, ON FB2736'NORTHWEST SLOPE OF WHAT IS KNOWN AS MOUNT MITCHELL FOREGROUND, ON FB2736'NORTH SIDE OF TRAIL, AND APPROXIMATELY 350 YARDS FROM STATION, FB2736'S 54 DEG 57 MIN E. FB2736 FB2736 STATION RECOVERY (1959) FB2736 FB2736'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 (SR) FB2736'REFERENCE MARK NO. 1 WAS DESTROYED BY CONSTRUCTION IN 1959. THIS WAS FB2736'REPORTED, AND THE DISK, STAMPED MITCHEL NO 1 1933, WAS RETURNED TO FB2736'THE OFFICE BY MR. SMITH RAY, PARK SUPERINTENDENT, MOUNT MITCHELL FB2736'STATE PARK, MARION, NORTH CAROLINA. National Geodetic Survey, Retrieval Date = JULY 30, 1997 FB2737 *********************************************************************** FB2737 DESIGNATION - MITCHELL 2 FB2737 PID - FB2737 FB2737 STATE/COUNTY- NC/YANCEY FB2737 USGS QUAD - MT MITCHELL FB2737 FB2737 *CURRENT SURVEY CONTROL FB2737 ___________________________________________________________________ FB2737* NAD 83(1986)- 35 45 53.77353(N) 082 15 54.34289(W) ADJUSTED FB2737* NAVD 88 - 2048.6 (meters) 6721. (feet) GPS OBS FB2737 ___________________________________________________________________ FB2737 LAPLACE CORR- -8.53 (seconds) DEFLEC96 FB2737 GEOID HEIGHT- -30.11 (meters) GEOID96 FB2737 FB2737 HORZ ORDER - FIRST FB2737 FB2737.The North Carolina/South Carolina HARNS have been completed but, FB2737.due to contractual restrictions, coordinates for these stations FB2737.will NOT be published in the near future. In the interim, the FB2737.published coordinates in North and South Carolina will not be FB2737.consistent with the Continuously Operating Reference Stations FB2737.(CORS). The HARN coordinates for these stations are available FB2737.upon request. Contact Gary Thompson(919-733-3836), or Sid FB2737.Miller(803-896-7700). FB2737. FB2737.In addition, the published North and South Carolina positions FB2737.(NAD 83 (1986)) are NOT consistent with those determined in FB2737.adjacent state readjustments. The discontinuity between stations FB2737.located in North or South Carolina and those in adjacent states FB2737.which have been adjusted to the HARN may be as much as 5 FB2737.decimeters. This will result in a significant loss of accuracy FB2737.over lines crossing such state borders. FB2737 FB2737 FB2737.The horizontal coordinates were established by GPS observations FB2737.and adjusted by the National Geodetic Survey in September 1994. FB2737 FB2737.The orthometric height was determined by GPS observations. FB2737 FB2737.The Laplace correction was computed from DEFLEC96 derived deflections. FB2737 FB2737.The geoid height was determined by GEOID96. FB2737 FB2737; North East Units Scale Converg. FB2737;SPC NC - 228,375.513 314,416.059 MT 0.99991261 -1 53 04.3 FB2737;UTM 17 - 3,958,615.030 385,639.595 MT 0.99976116 -0 44 22.1 FB2737 FB2737 SUPERSEDED SURVEY CONTROL FB2737 FB2737 NAD 27 - 35 45 53.35400(N) 082 15 54.90200(W) ADJUSTED FB2737 NGVD 29 - 2048.21 (meters) 6719.8 (feet) LEVELING FB2737 FB2737.Superseded values are not recommended for survey control. FB2737.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. FB2737.See file format.dat to determine how the superseded data were derived. FB2737 FB2737_MARKER: DS = TRIANGULATION STATION DISK FB2737_SETTING: 35 = SET IN A MAT FOUNDATION OR CONCRETE SLAB OTHER THAN FB2737+WITH SETTING: PAVEMENT FB2737_STAMPING: MITCHELL 2 1960 FB2737_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO FB2737+STABILITY: SURFACE MOTION FB2737_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR FB2737+SATELLITE: SATELLITE OBSERVATIONS - October 30, 1994 FB2737 FB2737 HISTORY - Date Condition Recov. By FB2737 HISTORY - 1960 MONUMENTED NCGS FB2737 HISTORY - 1960 GOOD NCGS FB2737 HISTORY - 1972 GOOD NGS FB2737 HISTORY - 19820101 GOOD NCGS FB2737 HISTORY - 19880101 GOOD NCGS FB2737 HISTORY - 19920609 GOOD NCGS FB2737 HISTORY - 19930913 GOOD NCGS FB2737 HISTORY - 19941030 GOOD NCGS FB2737 FB2737 STATION DESCRIPTION FB2737 FB2737'DESCRIBED BY NORTH CAROLINA GEODETIC SURVEY 1960 FB2737'NO REFERENCE MARKS WERE ESTABLISHED. FB2737' FB2737'AZIMUTH MARK WILL BE ESTABLISHED LATER. FB2737' FB2737'STATION IS ON THE HIGHEST POINT OF THE STONE LOOKOUT TOWER ON TOP OF FB2737'MT. MITCHELL WHICH IS IN MT. MITCHELL STATE PARK, ONE OF A FB2737'NUMBER OF STATE PARKS OPERATED BY THE STATE OF NORTH CAROLINA. FB2737' FB2737'TO REACH MT. MITCHELL FROM ASHEVILLE, NORTH CAROLINA, GO EAST ON US FB2737'70 ABOUT 4 MILES AND TURN LEFT ONTO THE BLUE RIDGE PARKWAY. GO FB2737'NORTHEASTERLY ON PARKWAY ABOUT 26 MI TO WELL MARKED TURN OFF TO LEFT, FB2737'STATE HWY NC 128. DRIVE ON NC 128 ABOUT 4.7 MILES TO END OF ROAD FB2737'AT LARGE PARKING AREA PROVIDED FOR VISITORS TO THE TOP OF MOUNTAIN. FB2737'TOWER IS ABOUT 1/4 MILE FROM PARKING LOT BY WELL MARKED FOOT FB2737'TRAIL. FB2737' FB2737'STATION IS STANDARD USC AND GS BRONZE DISK SET FLUSH ON FLAT CONCRETE FB2737'ROOF OF THE STAIRWAY HOUSING ON TOP OF TOWER. DISK IS STAMPED FB2737'MITCHELL 2-1960. MARK IS 3.49 FEET FROM EDGE OF ROOF AT DOOR END OF FB2737'HOUSING AND 3.12 FEET FROM EDGE OF ROOF OPPOSITE VENT PIPES. FB2737 FB2737 STATION RECOVERY (1960) FB2737 FB2737'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1960 FB2737'RECOVERED IN GOOD CONDITION. FB2737 FB2737 STATION RECOVERY (1972) FB2737 FB2737'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1972 (RAP) FB2737'THE STATION WAS RECOVERED AS DESCRIBED. FB2737' FB2737'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--26 MILES FB2737'EAST-NORTHEAST OF ASHEVILLE, N. C. FB2737 FB2737 STATION RECOVERY (1982) FB2737 FB2737'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1982 FB2737'THE STATION WAS RECOVERED AT THIS DATE. MARK IS IN GOOD CONDITION AS FB2737'DESCRIBED IN 1960 RECOVERY. THE ROOF HAS BEEN RAISED 3 INCHES AND THE FB2737'STATION IS ENCASED BY A PVC PIPE AND IS 3 INCHES BELOW THE ROOF. A FB2737'NEW AZIMUTH MARK WAS ESTABLISHED. FB2737'THE AZIMUTH MARK IS A STANDARD DISK STAMPED---MITCHELL 2 AZ MK---, SET FB2737'INTO A LARGE ROCK OUTCROP. PROCEED ALONG NC 128 FOR 1.2 KM (0.75 MI) FB2737'SOUTHWEST FROM THE STATION TO A SHARP CURVE AND THE AZIMUTH MARK ON FB2737'THE LEFT, ABOUT 200 FT FROM THE ROAD, BETWEEN A WELL HOUSE AND TENT FB2737'CAMPSITES. FB2737 FB2737 STATION RECOVERY (1988) FB2737 FB2737'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1988 FB2737'RECOVERED IN GOOD CONDITION. FB2737 FB2737 STATION RECOVERY (1992) FB2737 FB2737'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1992 (PAC) FB2737'THE STATION WAS RECOVERED IN GOOD CONDITION AS DESCRIBED. FB2737 FB2737 STATION RECOVERY (1993) FB2737 FB2737'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1993 (PAC) FB2737'RECOVERED AS DESCRIBED FB2737 FB2737 STATION RECOVERY (1994) FB2737 FB2737'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1994 (PAC) FB2737'RECOVERED AS DESCRIBED.