National Geodetic Survey, Retrieval Date = OCTOBER 27, 2020 OY0946 *********************************************************************** OY0946 DESIGNATION - BIG BUTTE 2 OY0946 PID - OY0946 OY0946 STATE/COUNTY- ID/BUTTE OY0946 COUNTRY - US OY0946 USGS QUAD - BIG SOUTHERN BUTTE (2017) OY0946 OY0946 *CURRENT SURVEY CONTROL OY0946 ______________________________________________________________________ OY0946* NAD 83(1992) POSITION- 43 23 45.90289(N) 113 01 21.14587(W) ADJUSTED OY0946* NAVD 88 ORTHO HEIGHT - 2310.6 (meters) 7581. (feet) VERTCON OY0946 ______________________________________________________________________ OY0946 GEOID HEIGHT - -12.240 (meters) GEOID18 OY0946 LAPLACE CORR - -1.41 (seconds) DEFLEC18 OY0946 HORZ ORDER - FIRST OY0946 OY0946.The horizontal coordinates were established by classical geodetic methods OY0946.and adjusted by the National Geodetic Survey in July 1992. OY0946. OY0946.The NAVD 88 height was computed by applying the VERTCON shift value to OY0946.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) OY0946 OY0946.Significant digits in the geoid height do not necessarily reflect accuracy. OY0946.GEOID18 height accuracy estimate available here. OY0946 OY0946.Click photographs - Photos may exist for this station. OY0946 OY0946.The Laplace correction was computed from DEFLEC18 derived deflections. OY0946 OY0946. The following values were computed from the NAD 83(1992) position. OY0946 OY0946; North East Units Scale Factor Converg. OY0946;SPC ID C - 192,563.922 579,185.179 MT 1.00002447 +0 40 17.7 OY0946;SPC ID C - 631,770.13 1,900,210.04 sFT 1.00002447 +0 40 17.7 OY0946;UTM 12 - 4,806,787.410 336,206.955 MT 0.99993002 -1 23 23.5 OY0946 OY0946! - Elev Factor x Scale Factor = Combined Factor OY0946!SPC ID C - 0.99963971 x 1.00002447 = 0.99966417 OY0946!UTM 12 - 0.99963971 x 0.99993002 = 0.99956976 OY0946 OY0946: Primary Azimuth Mark Grid Az OY0946:SPC ID C - BIG BUTTE 2 AZ MK 121 28 22.5 OY0946:UTM 12 - BIG BUTTE 2 AZ MK 123 32 03.7 OY0946 OY0946_U.S. NATIONAL GRID SPATIAL ADDRESS: 12TUP3620606787(NAD 83) OY0946 OY0946|---------------------------------------------------------------------| OY0946| PID Reference Object Distance Geod. Az | OY0946| dddmmss.s | OY0946| OY0950 BIG BUTTE RM 1 4.044 METERS 09603 | OY0946| CN3966 BIG BUTTE 2 AZ MK 1220840.2 | OY0946| CN3965 BIG BUTTE RM 2 RESET 4.418 METERS 20857 | OY0946|---------------------------------------------------------------------| OY0946 OY0946 SUPERSEDED SURVEY CONTROL OY0946 OY0946 NAD 83(1986)- 43 23 45.89695(N) 113 01 21.13087(W) AD( ) 1 OY0946 NAD 27 - 43 23 46.22750(N) 113 01 18.14830(W) AD( ) 1 OY0946 NGVD 29 (07/19/86) 2309.5 (m) 7577. (f) VERT ANG OY0946 OY0946.Superseded values are not recommended for survey control. OY0946 OY0946.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. OY0946.See file dsdata.pdf to determine how the superseded data were derived. OY0946 OY0946_MARKER: DS = TRIANGULATION STATION DISK OY0946_SETTING: 80 = SET IN A BOULDER OY0946 OY0946 HISTORY - Date Condition Report By OY0946 HISTORY - 1960 MONUMENTED CGS OY0946 HISTORY - 1972 GOOD NGS OY0946 OY0946 STATION DESCRIPTION OY0946 OY0946'DESCRIBED BY COAST AND GEODETIC SURVEY 1960 (OSR) OY0946'STATION IS ON THE HIGHEST POINT OF BIG BUTTE MOUNTAIN, ABOUT OY0946'16-1/2 MILES SOUTH AND 15 MILES EAST OF ARCO, 11 MILES WEST OY0946'AND 4 MILES SOUTH OF ATOMIC CITY, 8 MILES NORTH OF THE OY0946'BUTTE-BLAINE COUNTY LINE, 4-1/2 MILES WEST OF THE BUTTE-BINGHAM OY0946'COUNTY LINE AND IN R 29 E, T 1 N. REFERENCE MARKS 1 AND 2 OY0946'ARE THE REFERENCE MARKS FOR BIG BUTTE 1936. OY0946' OY0946'TO REACH FROM THE POST OFFICE IN ATOMIC CITY, GO SOUTHERLY OY0946'ON MAIN STREET FOR 0.3 MILE TO A GRADED SIDE ROAD RIGHT, TURN OY0946'RIGHT, WESTERLY ON GRADED ROAD FOR 4.2 MILE TO A RAILROAD OY0946'CROSSING, CONTINUE WESTERLY, ON GRADED ROAD FOR 6.25 MILE TO OY0946'THE AZIMUTH MARK ON THE LEFT AND A SMALL, ROCKY, OY0946'NORTHWEST-SOUTHEAST RIDGE ON THE RIGHT, CONTINUE WESTERLY ON GRADED OY0946'ROAD FOR 0.25 MILE TO A SIDE ROAD LEFT, CONTINUE WESTERLY, OY0946'ON GRADED ROAD FOR 0.2 MILE TO A FORK, TAKE THE RIGHT FORK, OY0946'NORTHWEST AND WEST, ALONG THE SOUTH SIDE OF MOUNTAIN FOR 1.3 MILE OY0946'TO A FORK, TAKE THE RIGHT FORK, WESTERLY ON GRADED ROAD FOR 0.1 OY0946'MILE, THEN NORTH CROSS COUNTRY FOR ABOUT 0.5 MILE TO THE BASE OF OY0946'MOUNTAIN AND END OF TRUCK TRAVEL. FROM HERE PACK OY0946'NORTHERLY UP STEEP SLOPE TO THE HIGHEST POINT AND STATION. OY0946'ABOUT A 2 HOUR PACK. OY0946' OY0946'STATION MARK IS A STANDARD DISK, STAMPED BIG BUTTE 2 1960, OY0946'CEMENTED IN A DRILL HOLE IN A 3 X 2 FOOT BOULDER PROJECTING OY0946'6 INCHES. 4 FEET EAST OF A SMALL CONCRETE FOUNDATION AND OY0946'ON THE HIGHEST POINT. OY0946' OY0946'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED BIG BUTTE NO OY0946'1 1936, CEMENTED IN A DRILL HOLE IN A 3 X 2 FOOT BOULDER OY0946'PROJECTING 1 FOOT ON THE SOUTH SIDE AND FLUSH ON THE NORTH OY0946'SIDE. IT IS 18 FEET EAST OF THE CONCRETE FOUNDATION AND ABOUT OY0946'THE SAME ELEVATION AS THE STATION. OY0946' OY0946'REFERENCE MARK 2 IS A STANDARD DISK, STAMPED BIG BUTTE NO OY0946'2 1936, CEMENTED IN A DRILL HOLE IN A 2 X 1 FOOT BOULDER OY0946'PROJECTING 2 FEET ON THE SOUTH SIDE AND FLUSH ON THE NORTH OY0946'SIDE. IT IS 10 FEET SOUTH-SOUTHWEST OF THE CONCRETE FOUNDATION OY0946'AND ABOUT 2 FEET LOWER THAN THE STATION. OY0946' OY0946'AZIMUTH MARK IS A STANDARD DISK, STAMPED BIG BUTTE 2 1960, OY0946'CEMENTED IN A DRILL HOLE IN A 5 X 3 FOOT BOULDER PROJECTING OY0946'4 INCHES. IT IS 18 FEET SOUTH OF THE CENTER OF THE GRADED ROAD OY0946'AND 8.3 FEET SOUTH OF A METAL, WITNESS SIGN POST. OY0946 OY0946 STATION RECOVERY (1972) OY0946 OY0946'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1972 (LFS) OY0946'PREVIOUS DESCRIPTION FOUND IN IDAHO VOL. II, PAGE 1035. OY0946' OY0946'THE AZIMUTH MARK WAS RECOVERED IN GOOD CONDITION. THE STATION OY0946'MARK, AND REFERENCE MARKS HAVE BEEN DESTROYED. A LOOKOUT OY0946'HOUSE OCCUPIES THIS SUMMIT. A U.S.G.S. DISK, STAMPED BIG BUTTE OY0946'3 1963 HAS BEEN ESTABLISHED ABOUT 275 FEET WEST-SOUTHWEST OF THE OY0946'DESCRIBED LOCATION FOR TRIANGULATION STATION BIG BUTTE 2 1960.