National Geodetic Survey, Retrieval Date = JANUARY 19, 2005 MW0919 *********************************************************************** MW0919 DESIGNATION - VAN BREMMER MW0919 PID - MW0919 MW0919 STATE/COUNTY- CA/SISKIYOU MW0919 USGS QUAD - SHARP MTN (1988) MW0919 MW0919 *CURRENT SURVEY CONTROL MW0919 ___________________________________________________________________ MW0919* NAD 83(1992)- 41 38 36.25914(N) 121 47 40.90845(W) ADJUSTED MW0919* NAVD 88 - 1619.9 (meters) 5315. (feet) GPS OBS MW0919 ___________________________________________________________________ MW0919 EPOCH DATE - 1991.35 MW0919 X - -2,515,628.946 (meters) COMP MW0919 Y - -4,058,132.783 (meters) COMP MW0919 Z - 4,217,148.942 (meters) COMP MW0919 LAPLACE CORR- 6.11 (seconds) DEFLEC99 MW0919 ELLIP HEIGHT- 1596.79 (meters) (03/06/03) GPS OBS MW0919 GEOID HEIGHT- -23.16 (meters) GEOID03 MW0919 MW0919 HORZ ORDER - FIRST MW0919 ELLP ORDER - FOURTH CLASS II MW0919 MW0919.The horizontal coordinates were established by GPS observations MW0919.and adjusted by the National Geodetic Survey in March 2003. MW0919.The horizontal coordinates are valid at the epoch date displayed above. MW0919.The epoch date for horizontal control is a decimal equivalence MW0919.of Year/Month/Day. MW0919 MW0919.The orthometric height was determined by GPS observations and a MW0919.high-resolution geoid model. MW0919 MW0919.The X, Y, and Z were computed from the position and the ellipsoidal ht. MW0919 MW0919.The Laplace correction was computed from DEFLEC99 derived deflections. MW0919 MW0919.The ellipsoidal height was determined by GPS observations MW0919.and is referenced to NAD 83. MW0919 MW0919.The geoid height was determined by GEOID03. MW0919 MW0919; North East Units Scale Factor Converg. MW0919;SPC CA 1 - 756,534.662 2,017,104.046 MT 0.99999418 +0 08 03.3 MW0919;SPC CA 1 - 2,482,064.14 6,617,782.19 sFT 0.99999418 +0 08 03.3 MW0919;UTM 10 - 4,610,886.776 600,376.586 MT 0.99972399 +0 48 03.5 MW0919 MW0919! - Elev Factor x Scale Factor = Combined Factor MW0919!SPC CA 1 - 0.99974961 x 0.99999418 = 0.99974379 MW0919!UTM 10 - 0.99974961 x 0.99972399 = 0.99947367 MW0919 MW0919: Primary Azimuth Mark Grid Az MW0919:SPC CA 1 - VAN BREMMER AZ MK 037 54 36.5 MW0919:UTM 10 - VAN BREMMER AZ MK 037 14 36.3 MW0919 MW0919|---------------------------------------------------------------------| MW0919| PID Reference Object Distance Geod. Az | MW0919| dddmmss.s | MW0919| CD8325 VAN BREMMER AZ MK 0380239.8 | MW0919| CD8326 VAN BREMMER RM 1 9.598 METERS 13945 | MW0919| MW0920 VAN BREMMER LOOKOUT 54.990 METERS 18526 | MW0919| CD8327 VAN BREMMER RM 2 5.690 METERS 20756 | MW0919|---------------------------------------------------------------------| MW0919 MW0919 SUPERSEDED SURVEY CONTROL MW0919 MW0919 NAD 83(1992)- 41 38 36.25994(N) 121 47 40.91054(W) AD(1991.35) 3 MW0919 NAD 83(1986)- 41 38 36.26203(N) 121 47 40.91277(W) AD(1984.00) 3 MW0919 NAD 27 - 41 38 36.70500(N) 121 47 36.90800(W) AD( ) 3 MW0919 NGVD 29 (07/19/86) 1618.1 (m) 5309. (f) VERT ANG MW0919 MW0919.Superseded values are not recommended for survey control. MW0919.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MW0919.See file dsdata.txt to determine how the superseded data were derived. MW0919 MW0919_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM0037710887(NAD 83) MW0919_MARKER: DS = TRIANGULATION STATION DISK MW0919_SETTING: 66 = SET IN ROCK OUTCROP MW0919_STAMPING: VAN BREMMER 1948 MW0919_MARK LOGO: CGS MW0919_MAGNETIC: N = NO MAGNETIC MATERIAL MW0919_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD MW0919+STABILITY: POSITION/ELEVATION WELL MW0919_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR MW0919+SATELLITE: SATELLITE OBSERVATIONS - April 21, 1998 MW0919 MW0919 HISTORY - Date Condition Report By MW0919 HISTORY - 1948 MONUMENTED CGS MW0919 HISTORY - 19980421 GOOD CADT MW0919 MW0919 STATION DESCRIPTION MW0919 MW0919'DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) MW0919'THE STATION IS LOCATED ON A LOW, ROCKY KNOLL THAT IS KNOWN MW0919'AS VAN BREMMER BUTTE AND HAS A U.S. FOREST SERVICE LOOKOUT MW0919'ON IT BY THAT NAME. IT IS ABOUT 7 MILES NORTHEAST OF THE TOWN MW0919'OF TENNANT, ABOUT 10 MILES WEST NORTHWEST OF MEDICINE LAKE, MW0919'AND ABOUT 4-1/2 MILES NORTH OF GARNER MOUNTAIN WHICH IS A VERY MW0919'HIGH AND PROMINENT POINT. MW0919' MW0919'THE STATION MARK, STAMPED VAN BREMMER 1948, IS A STANDARD STATION MW0919'MARK DISK THAT IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK MW0919'THAT PROJECTS ABOVE THE SURFACE OF THE GROUND ABOUT 1 FOOT. MW0919' MW0919'REFERENCE MARK NUMBER 1, STAMPED VAN BREMMER NO 1 1948, IS A MW0919'STANDARD REFERENCE MARK DISK THAT IS SET IN A DRILL HOLE IN MW0919'BEDROCK THAT PROJECTS ABOVE THE SURFACE OF THE GROUND ABOUT MW0919'6 INCHES. MW0919' MW0919'REFERENCE MARK NUMBER 2, STAMPED VAN BREMMER NO 2 1948, IS A MW0919'STANDARD REFERENCE MARK DISK THAT IS SET IN A DRILL HOLE IN MW0919'BEDROCK THAT PROJECTS ABOUT 1 FOOT ABOVE THE SURROUNDING MW0919'SURFACE. MW0919' MW0919'THE AZIMUTH MARK, STAMPED VAN BREMMER 1948, IS A STANDARD AZIMUTH MW0919'MARK DISK THAT IS CEMENTED IN A DRILL HOLE IN A LARGE BOULDER MW0919'THAT PROTRUDES ABOVE THE GROUND ABOUT 4-1/2 FEET AND ABOVE THE MW0919'DENSE BRUSH ABOUT 2 FEET. IT IS LOCATED ON THE WESTERN SLOPE MW0919'OF THE FIRST SMALL BUTTE TO THE NORTHEAST OF THE STATION, ABOUT MW0919'25 YARDS SOUTHEAST OF THE TRACK ROAD THAT SKIRTS THE SLOPES OF MW0919'THE BUTTE. MW0919' MW0919'THE STATION CAN BE REACHED FROM THE TENNANT STORE AND POST MW0919'OFFICE BY GOING NORTH ON THE MAIN STREET FOR 0.5 MILE TO A SIGN MW0919'LAVA BEDS NATL MON. 31. TURN RIGHT AND GO EAST AND NORTHEAST MW0919'ON THIS ROAD FOR 7.0 MILES TO A FORKS. TAKE THE RIGHT FORK AS MW0919'INDICATED BY THE SIGN VAN BREMMER L.O. 4 AND GO 1.4 MILES TO MW0919'ANOTHER FORKS AND A SIGN VAN BREMMER L.O. 2 1/2. TAKE THE LEFT MW0919'FORK FOR 1.6 MILES TO A SIGN VAN BREMMER L.O. 1. (FROM HERE MW0919'THE AZIMUTH MARK IS 0.4 MILE ALONG THE ROAD THAT LEADS NORTH MW0919'AND EAST ALONG THE WEST SIDE OF A SMALL BUTTE.) TURN LEFT MW0919'AS INDICATED BY THE SIGN VAN BREMMER L.O. 1 AND GO 1 MILE MW0919'TO THE TOP OF THE HILL AND THE STATION. MW0919 MW0919 STATION RECOVERY (1998) MW0919 MW0919'RECOVERY NOTE BY CALTRANS 1998 (JRL) MW0919'THE STATION WAS RECOVERED. A COMPLETE NEW DESCRIPTION FOLLOWS. THE MW0919'STATION IS MW0919'LOCATED ABOUT 32 MI (51.5 KM) NORTHEAST OF WEED, 27 MI (43.5 KM) MW0919'SOUTHWEST OF TULELAKE, MW0919'AND 7 MI (11.3 KM) NORTHEAST OF TENNANT. TO REACH THE STATION FROM MW0919'THE INTERSECTION OF MW0919'US HIGHWAY 97 AND TENNANT-BRAY ROAD, ABOUT 25 MI (40.2 KM) NORTHEAST MW0919'OF WEED, GO EAST MW0919'ON TENNANT-BRAY ROAD FOR 12.0 MI (19.3 KM) TO USFS ROAD 77 ON THE MW0919'RIGHT. TURN RIGHT AND MW0919'GO EAST ON ROAD 77 FOR 9.0 MI (14.5 KM) TO USFS ROAD 44N32Y ON THE MW0919'LEFT. TURN LEFT AND GO MW0919'NORTH ON ROAD 44N32Y FOR 0.6 MI (1.0 KM) TO A FORK. TAKE LEFT FORK MW0919'AND GO 0.5 MI (0.8 KM) TO A MW0919'FORK. TAKE THE RIGHT FORK AND GO EAST FOR 1.4 MI (2.3 KM) TO A DIRT MW0919'ROAD ON THE LEFT. TURN MW0919'LEFT AND GO UPHILL FOR 1.0 MI (1.6 KM) TO A USFS WEATHER STATION ON MW0919'THE RIGHT AND THE MW0919'STATION ON THE LEFT. THE STATION IS A TRIANGULATION STATION DISK SET MW0919'IN A BEDROCK MW0919'OUTCROP, 139.5 FT (42.5 M) NORTH OF THE CENTER OF THE GATE TO THE USFS MW0919'WEATHER STATION, MW0919'96.0 FT (29.3 M) NORTH OF A WHITE CARSONITE POST WITH AMBER REFLECTOR, MW0919'AND 4.7 FT (1.4 M) MW0919'SOUTH OF AN ORANGE CARSONITE WITNESS POST. THE STATION WAS OCCUPIED MW0919'AS PART OF A MW0919'CALIFORNIA HPGN DENSIFICATION SURVEY. MW0919'