National Geodetic Survey, Retrieval Date = SEPTEMBER 19, 2002 MW0926 *********************************************************************** MW0926 DESIGNATION - ORR MOUNTAIN MW0926 PID - MW0926 MW0926 STATE/COUNTY- CA/SISKIYOU MW0926 USGS QUAD - BRAY (1988) MW0926 MW0926 *CURRENT SURVEY CONTROL MW0926 ___________________________________________________________________ MW0926* NAD 83(1992)- 41 40 03.07028(N) 121 58 28.11816(W) ADJUSTED MW0926* NAVD 88 - 1777.1 (meters) 5830. (feet) VERTCON MW0926 ___________________________________________________________________ MW0926 EPOCH DATE - 1991.35 MW0926 LAPLACE CORR- -0.22 (seconds) DEFLEC99 MW0926 GEOID HEIGHT- -23.38 (meters) GEOID99 MW0926 MW0926 HORZ ORDER - FIRST MW0926 MW0926.The horizontal coordinates were established by classical geodetic methods MW0926.and adjusted by the National Geodetic Survey in March 1994. MW0926.The horizontal coordinates are valid at the epoch date displayed above. MW0926.The epoch date for horizontal control is a decimal equivalence MW0926.of Year/Month/Day. MW0926 MW0926.The NAVD 88 height was computed by applying the VERTCON shift value to MW0926.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) MW0926 MW0926.The Laplace correction was computed from DEFLEC99 derived deflections. MW0926 MW0926.The geoid height was determined by GEOID99. MW0926 MW0926; North East Units Scale Converg. MW0926;SPC CA 1 - 759,193.209 2,002,125.550 MT 1.00000022 +0 01 00.1 MW0926;SPC CA 1 - 2,490,786.39 6,568,640.24 sFT 1.00000022 +0 01 00.1 MW0926;UTM 10 - 4,613,370.333 585,372.567 MT 0.99968969 +0 40 54.5 MW0926 MW0926: Primary Azimuth Mark Grid Az MW0926:SPC CA 1 - ORR MOUNTAIN AZ MK 098 10 23.9 MW0926:UTM 10 - ORR MOUNTAIN AZ MK 097 30 29.5 MW0926 MW0926|---------------------------------------------------------------------| MW0926| PID Reference Object Distance Geod. Az | MW0926| dddmmss.s | MW0926| CD7256 ORR MOUNTAIN RM 2 8.703 METERS 07612 | MW0926| CD7254 ORR MOUNTAIN AZ MK 0981124.0 | MW0926| MW0927 ORR MOUNTAIN LOOKOUT 1948 16.626 METERS 22841 | MW0926| CD7255 ORR MOUNTAIN RM 1 7.729 METERS 35326 | MW0926|---------------------------------------------------------------------| MW0926 MW0926 SUPERSEDED SURVEY CONTROL MW0926 MW0926 NAD 83(1986)- 41 40 03.07189(N) 121 58 28.12305(W) AD(1984.00) 1 MW0926 NAD 27 - 41 40 03.52200(N) 121 58 24.10500(W) AD( ) 1 MW0926 NGVD 29 - 1775.9 (m) 5826. (f) VERT ANG MW0926 MW0926.Superseded values are not recommended for survey control. MW0926.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MW0926.See file dsdata.txt to determine how the superseded data were derived. MW0926 MW0926_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION MW0926_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT MW0926 MW0926 HISTORY - Date Condition Report By MW0926 HISTORY - 1948 MONUMENTED CGS MW0926 HISTORY - 1971 SEE DESCRIPTION NGS MW0926 MW0926 STATION DESCRIPTION MW0926 MW0926'DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) MW0926'THE STATION IS LOCATED ON THE SUMMIT OF ORR MOUNTAIN, 54.586 FEET MW0926'NORTHEAST OF THE CENTER OF THE BASE OF THE LOOKOUT TOWER. MW0926'IT IS ABOUT 11 MILES AIRLINE SOUTH OF MACDOEL, ABOUT 7 MILES MW0926'AIRLINE NORTH NORTHWEST OF TENNANT AND ABOUT 1.5 MILES AIRLINE MW0926'NORTH OF BRAY. MW0926' MW0926'THE STATION IS A STANDARD STATION DISK THAT IS SET IN THE TOP MW0926'OF A CONCRETE POST AS DESCRIBED IN NOTES 1A AND 7A. IT IS 6.5 MW0926'FEET NORTH OF A WHITE WITNESS POST. THE DISK IS STAMPED ORR MW0926'MTN 1948 AND PROJECTS 3 INCHES ABOVE THE GROUND. MW0926' MW0926'REFERENCE MARK NUMBER ONE IS A STANDARD REFERENCE DISK THAT IS MW0926'SET IN A DRILL HOLE IN THE TOP OF A BOULDER AS DESCRIBED IN MW0926'NOTE 12C AND IS FLUSH WITH THE GROUND. IT IS 24 FEET EAST OF MW0926'THE CENTERLINE OF THE ROAD. THE DISK IS STAMPED ORR MTN NO 1 MW0926'1948. MW0926' MW0926'REFERENCE MARK NUMBER TWO IS A STANDARD REFERENCE DISK THAT IS MW0926'SET IN A DRILL HOLE IN THE TOP OF A BOULDER AS DESCRIBED IN NOTE MW0926'12C. IT IS 55 FEET EAST OF THE CENTERLINE OF THE ROAD, 1 FOOT MW0926'LOWER THAN THE STATION AND PROJECTS 1 INCH ABOVE THE GROUND. MW0926'THE DISK IS STAMPED ORR MTN NO 2 1948. MW0926' MW0926'THE AZIMUTH MARK IS A STANDARD AZIMUTH MARK DISK THAT IS SET IN MW0926'A DRILL HOLE IN THE TOP OF A BOULDER AS DESCRIBED IN NOTE 12C. MW0926'IT IS 32 FEET NORTH OF THE CENTERLINE OF THE ROAD, 19 FEET MW0926'SOUTHEAST OF A TELEPHONE POLE, 24 FEET NORTHWEST OF AN 18 INCH MW0926'PINE TREE THAT HAS A TRIANGULAR BLAZE FACING THE ROAD, AND MW0926'PROJECTS 1 INCH ABOVE THE GROUND. THE DISK IS STAMPED ORR MTN MW0926'1948. TO REACH THE MARK FROM THE U.S. POST OFFICE IN BRAY GO MW0926'EAST AND SOUTH ON THE ROAD TO TENNANT FOR 2.3 MILES TO A MW0926'T-ROAD. TURN RIGHT AS PER SIGN TENNANT AND FOLLOW THE MAIN MW0926'TRAVELED ROAD FOR 0.65 MILE TO AN 18 INCH PINE TREE WITH A MW0926'TRIANGULAR BLAZE FACING THE ROAD ON THE LEFT. THE MARK IS MW0926'NORTH OF THE ROAD AS DESCRIBED. MW0926' MW0926'TO REACH THE STATION FROM THE U.S. POST OFFICE IN BRAY GO WEST MW0926'FOR 0.1 MILE. TURN RIGHT, NORTH, AND CROSS OVER THE RAILROAD MW0926'TRACKS AND TAKE THE RIGHT HAND ROAD FOR 0.8 MILES TO A FORK. MW0926'TAKE THE LEFT FORK AS PER SIGN ORR MTN. L.O. 3-1/4 AND FOLLOW MW0926'THE LOOKOUT ROAD FOR 3.0 MILES TO THE ORR MTN. LOOKOUT AND THE MW0926'STATION AS DESCRIBED. MW0926 MW0926 STATION RECOVERY (1971) MW0926 MW0926'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971 (WMJ) MW0926'THE STATION WAS RECOVERED WITH ALL MARKS IN GOOD CONDITION. MW0926'DISTANCE AND DIRECTION TO MARKS COMPARED FAVORABLY WITH THE MW0926'1948 DATA. IT IS BELIEVED THE 0.125 METER SHORTER DISTANCE TO MW0926'ORR MOUNTAIN LOOKOUT TOWER WAS CAUSED BY THE METHOD USED TO LOCATE MW0926'ITS CENTER USING CROSSED TAPES ACROSS THE DIAGONALS OF THE MW0926'SUPPORTING LEGS. THERE IS NO FIXED POINT MARKING ITS CENTER. THE MW0926'POST OFFICE IN BRAY IS NO LONGER OPEN SO A NEW DESCRIPTION MW0926'FOLLOWS-- MW0926' MW0926'THE STATION IS LOCATED 8.25 MILES SOUTH OF MT. HEBRON, MW0926'6.75 MILES NORTH-NORTHWEST OF TENNANT, AND 1.5 MILES NORTH OF MW0926'BRAY NEAR THE NORTHEAST PART OF THE SUMMIT OF ORR MOUNTAIN WHICH MW0926'APPEARS AS A LOW, ROUNDED, TIMBER-COVERED HILL FROM ALL SIDES. MW0926' MW0926'TO REACH THE STATION FROM THE POST OFFICE IN MACDOEL GO NORTH MW0926'1/2 BLOCK TO CROSS STREET. TURN LEFT AND GO WEST 0.1 MILE TO MW0926'JUNCTION WITH U.S. HIGHWAY 97. TURN LEFT AND GO SOUTHERLY MW0926'ON U.S. HIGHWAY 97 FOR 12.5 MILES TO A GRADED SIDE ROAD ON THE MW0926'LEFT AT A SIGN ON THE RIGHT TENNANT 13 BRAY 7. TURN LEFT MW0926'AND FOLLOW THE GRADED ROAD SOUTHEASTERLY 2.6 MILES TO A FORK. MW0926'TAKE THE LEFT FORK AND CONTINUE EASTERLY ON GRADED ROAD 2.5 MW0926'MILES TO A SIDE ROAD ON THE RIGHT. CONTINUE STRAIGHT AHEAD MW0926'EAST 2.2 MILES TO A SIDE ROAD ON THE LEFT AT A SIGN ORR MTN MW0926'LOOKOUT 3-1/2. (TO REACH THE AZIMUTH MARK FROM THIS POINT MW0926'CONTINUE EASTERLY 2.4 MILES TO A SIDE ROAD ON THE RIGHT AT MW0926'A SIGN TENNANT. TURN RIGHT AND GO SOUTH 0.8 MILE TO MW0926'THE MARK IN THE WOODS ON THE LEFT.) TURN LEFT, NORTH, MW0926'ACROSS THE RAILROAD TRACKS AND GO 0.05 MILE TO A FORK. MW0926'TAKE THE RIGHT FORK AND GO EAST THEN NORTH ON DIRT ROAD 0.25 MW0926'MILE TO A FORK. TAKE THE RIGHT FORK AND FOLLOW BULLDOZED ROAD MW0926'3.2 MILES UP AROUND THE MOUNTAIN TO THE STATION. MW0926' MW0926'THE STATION MARK IS A STANDARD DISK STAMPED ORR MTN 1948 CEMENTED MW0926'IN THE TOP OF A 10-INCH SQUARE CONCRETE MONUMENT PROJECTING MW0926'3 INCHES ABOVE GROUND. IT IS 42.2 FEET NORTHEAST OF THE MW0926'NORTHEAST LEG OF THE LOOKOUT TOWER, AND 39.4 FEET EAST OF THE MW0926'CENTER OF THE FORK IN THE ROAD WHICH CIRCLES THE LOOKOUT TOWER. MW0926' MW0926'REFERENCE MARK NUMBER ONE IS A STANDARD DISK STAMPED ORR MTN NO 1 MW0926'1948 CEMENTED IN A DRILL HOLE IN A BURIED BOULDER FLUSH WITH THE MW0926'SURFACE OF THE GROUND WITH 10 X 10 INCHES EXPOSED. IT IS 60 MW0926'FEET NORTH-NORTHEAST OF THE NORTHEAST LEG OF THE LOOKOUT TOWER, MW0926'20 FEET EAST OF THE CENTER OF THE ROAD, AND AT THE SAME ELEVATION MW0926'AS THE STATION. MW0926' MW0926'REFERENCE MARK NUMBER TWO IS A STANDARD DISK STAMPED ORR MTN NO MW0926'2 1948 CEMENTED IN A DRILL HOLE IN A BURIED BOULDER FLUSH WITH MW0926'THE SURFACE OF THE GROUND WITH 10 X 10 INCHES EXPOSED. IT IS MW0926'69 FEET EAST-NORTHEAST OF THE NORTHEAST LEG OF THE LOOKOUT MW0926'TOWER, 58 FEET EAST OF THE CENTER OF THE ROAD AROUND THE LOOKOUT, MW0926'AND AT THE SAME ELEVATION AS THE STATION. MW0926' MW0926'THE AZIMUTH MARK IS A STANDARD DISK STAMPED ORR MTN 1948 CEMENTED MW0926'IN A DRILL HOLE IN A BURIED BOULDER FLUSH WITH THE SURFACE MW0926'OF THE GROUND WITH 10 X 18 INCHES EXPOSED. IT IS 29 FEET NORTH MW0926'OF THE CENTER OF THE BLADED ROAD, AND 20.5 FEET NORTHWEST OF MW0926'THE BASE OF A 24-INCH PINE TREE WITH TRIANGLE BLAZE FACING THE MW0926'ROAD. THE MARK IS ALSO A BENCH MARK DESCRIBED IN LINE 103. MW0926' MW0926'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--1.5 MILES NORTH MW0926'OF BRAY.