National Geodetic Survey, Retrieval Date = SEPTEMBER 26, 2002 MX1026 *********************************************************************** MX1026 DESIGNATION - BRADLEY MX1026 PID - MX1026 MX1026 STATE/COUNTY- CA/SISKIYOU MX1026 USGS QUAD - DUNSMUIR (1986) MX1026 MX1026 *CURRENT SURVEY CONTROL MX1026 ___________________________________________________________________ MX1026* NAD 83(1992)- 41 13 18.65118(N) 122 18 32.10696(W) ADJUSTED MX1026* NAVD 88 - 1695.5 (meters) 5563. (feet) VERTCON MX1026 ___________________________________________________________________ MX1026 EPOCH DATE - 1991.35 MX1026 LAPLACE CORR- -7.94 (seconds) DEFLEC99 MX1026 GEOID HEIGHT- -23.95 (meters) GEOID99 MX1026 MX1026 HORZ ORDER - SECOND MX1026 MX1026.The horizontal coordinates were established by classical geodetic methods MX1026.and adjusted by the National Geodetic Survey in March 1994. MX1026.The horizontal coordinates are valid at the epoch date displayed above. MX1026.The epoch date for horizontal control is a decimal equivalence MX1026.of Year/Month/Day. MX1026 MX1026.The NAVD 88 height was computed by applying the VERTCON shift value to MX1026.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) MX1026 MX1026.The Laplace correction was computed from DEFLEC99 derived deflections. MX1026 MX1026.The geoid height was determined by GEOID99. MX1026 MX1026; North East Units Scale Converg. MX1026;SPC CA 1 - 709,743.399 1,974,098.613 MT 0.99991737 -0 12 07.2 MX1026;SPC CA 1 - 2,328,549.80 6,476,688.53 sFT 0.99991737 -0 12 07.2 MX1026;UTM 10 - 4,563,614.933 557,925.876 MT 0.99964129 +0 27 19.5 MX1026 MX1026: Primary Azimuth Mark Grid Az MX1026:SPC CA 1 - BRADLEY AZ MK 188 23 12.1 MX1026:UTM 10 - BRADLEY AZ MK 187 43 45.4 MX1026 MX1026|---------------------------------------------------------------------| MX1026| PID Reference Object Distance Geod. Az | MX1026| dddmmss.s | MX1026| MX1039 MOTT AIRPORT BEACON APPROX. 6.1 KM 0275524.9 | MX1026| MX1020 SEATTLE SAN FRAN AIRWAY BN 25A APPROX. 5.6 KM 0863425.6 | MX1026| MX1025 SIS 3 18 86.491 METERS 09406 | MX1026| MX1022 MT BRADLEY LOOKOUT HOUSE 1952 78.030 METERS 09518 | MX1026| MX1027 SEATTLE SAN FRAN AIRWAY BCN 24 APPROX.14.6 KM 1832820.5 | MX1026| CD9112 BRADLEY AZ MK 1881104.9 | MX1026| CD9113 BRADLEY RM 1 4.951 METERS 22425 | MX1026| CD9114 BRADLEY RM 2 6.613 METERS 26911 | MX1026|---------------------------------------------------------------------| MX1026 MX1026 SUPERSEDED SURVEY CONTROL MX1026 MX1026 NAD 83(1986)- 41 13 18.64584(N) 122 18 32.10796(W) AD(1984.00) 2 MX1026 NAD 27 - 41 13 19.09760(N) 122 18 28.07670(W) AD( ) 2 MX1026 NGVD 29 - 1694.5 (m) 5559. (f) VERT ANG MX1026 MX1026.Superseded values are not recommended for survey control. MX1026.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MX1026.See file dsdata.txt to determine how the superseded data were derived. MX1026 MX1026_MARKER: Z = SEE DESCRIPTION MX1026_SETTING: 0 = UNSPECIFIED SETTING MX1026 MX1026 HISTORY - Date Condition Report By MX1026 HISTORY - 1952 MONUMENTED CGS MX1026 MX1026 STATION DESCRIPTION MX1026 MX1026'DESCRIBED BY COAST AND GEODETIC SURVEY 1952 (WRH) MX1026'THE STATION IS LOCATED ON THE HIGHEST POINT OF BRADLEY MOUNTAIN. MX1026'IT IS ABOUT 2 MILES AIRLINE WEST OF DUNSMUIR, ABOUT 6-1/2 MX1026'MILES AIRLINE SOUTH OF MT. SHASTA, AND ABOUT 6 MILES AIRLINE MX1026'NORTH OF CASTELLA. MX1026' MX1026'THE STATION IS A STANDARD USGS DISK STAMPED BRADLEY 1952 AND MX1026'SET IN A DRILL HOLE IN BEDROCK THAT PROJECTS ABOUT 20 FEET. MX1026' MX1026'REFERENCE MARK NUMBER ONE IS A STANDARD DISK STAMPED BRADLEY MX1026'USGS NO 1 1952 AND CEMENTED IN A DEPRESSION IN BEDROCK THAT MX1026'PROJECTS ABOUT 4 FEET AND IS ABOUT THE SAME ELEVATION AS THE MX1026'STATION. IT IS 3 FEET EAST OF THE WEST EDGE OF THE ROCK MX1026'OUTCROP. MX1026' MX1026'REFERENCE MARK NUMBER TWO IS A STANDARD DISK STAMPED BRADLEY MX1026'USGS NO 2 1952 AND SET IN A DRILL HOLE IN BEDROCK THAT PROJECTS MX1026'4 FEET AND IS ABOUT 1 FOOT LOWER THAN THE STATION. IT IS 2 MX1026'FEET SOUTH OF THE NORTH EDGE OF THE ROCK OUTCROP. MX1026' MX1026'THE AZIMUTH MARK IS A STANDARD DISK STAMPED BRADLEY USGS 1952 MX1026'AND SET IN THE TOP OF A 12-INCH SQUARE CONCRETE POST THAT MX1026'PROJECTS 3 INCHES. IT IS 28-1/2 FEET NORTH OF THE CENTER MX1026'LINE OF THE ROAD, 7 FEET NORTH OF A WHITE WITNESS POST. TO MX1026'REACH THE MARK FROM THE STATION GO DOWN GRADE ON THE ROAD FOR MX1026'2.5 MILES TO A SHARP CURVE IN THE ROAD AND THE MARK ON THE MX1026'RIGHT. MX1026' MX1026'SIS 3-18 (CHS) IS A STANDARD CALIFORNIA HIGHWAY SURVEY DISK MX1026'SET IN A DRILL HOLE IN BEDROCK THAT PROJECTS 2 INCHES. THE DISK MX1026'IS STAMPED SIS 3-18. IT IS 16 FEET EAST OF THE EAST SIDE OF MX1026'THE MT. BRADLEY LOOKOUT HOUSE, 10 FEET WEST OF THE EAST EDGE OF MX1026'THE PEAK, AND 8 FEET SOUTH OF THE NORTH EDGE OF THE PEAK. THE MX1026'DISTANCE AND DIRECTION TO THIS MARK WAS COMPUTED FROM THE TWO MX1026'SIDES AND THE INCLUDED ANGLE PROBLEM. MX1026' MX1026'THE MT. BRADLEY LOOKOUT HOUSE IS A TWO-STORY WOODEN BUILDING MX1026'THAT IS 14 FEET SQUARE AND 25 FEET HIGH. THE BASE OF THE MX1026'BUILDING IS 37 FEET LOWER THAN THE STATION. MX1026' MX1026'TO REACH THE STATION FROM THE CITY HALL IN DUNSMUIR GO SOUTH MX1026'ON U.S. HIGHWAY 99 FOR 2.0 MILES TO A T-ROAD TO THE RIGHT. MX1026'TURN RIGHT AS PER SIGN MT. BRADLEY L.O. 8 AND GO 0.5 MILE TO MX1026'A FORK. TAKE THE RIGHT FORK AND GO 7.2 MILES TO THE LOOKOUT MX1026'HOUSE AND THE STATION. MX1026' MX1026'HEIGHT OF LIGHT ABOVE STATION MARK 1.39 METERS.