National Geodetic Survey, Retrieval Date = MARCH 15, 2010 OA0920 *********************************************************************** OA0920 DESIGNATION - EDSON 2 OA0920 PID - OA0920 OA0920 STATE/COUNTY- OR/CURRY OA0920 USGS QUAD - MOUNT BUTLER (1986) OA0920 OA0920 *CURRENT SURVEY CONTROL OA0920 ___________________________________________________________________ OA0920* NAD 83(1991)- 42 52 19.36266(N) 124 20 03.39923(W) ADJUSTED OA0920* NAVD 88 - 852.0 (meters) 2795. (feet) VERTCON OA0920 ___________________________________________________________________ OA0920 LAPLACE CORR- 11.34 (seconds) USDV2009 OA0920 GEOID HEIGHT- -26.09 (meters) GEOID09 OA0920 HORZ ORDER - SECOND OA0920 OA0920.The horizontal coordinates were established by classical geodetic methods OA0920.and adjusted by the National Geodetic Survey in October 1991. OA0920 OA0920.The NAVD 88 height was computed by applying the VERTCON shift value to OA0920.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) OA0920 OA0920.The Laplace correction was computed from USDV2009 derived deflections. OA0920 OA0920.The geoid height was determined by GEOID09. OA0920 OA0920; North East Units Scale Factor Converg. OA0920;SPC OR S - 141,066.395 1,186,839.595 MT 0.99990793 -2 37 23.6 OA0920;SPC OR S - 462,816.26 3,893,830.69 iFT 0.99990793 -2 37 23.6 OA0920;UTM 10 - 4,747,469.218 391,019.088 MT 0.99974611 -0 54 28.4 OA0920 OA0920! - Elev Factor x Scale Factor = Combined Factor OA0920!SPC OR S - 0.99987050 x 0.99990793 = 0.99977844 OA0920!UTM 10 - 0.99987050 x 0.99974611 = 0.99961664 OA0920 OA0920: Primary Azimuth Mark Grid Az OA0920:SPC OR S - BENNETT LOOKOUT TOWER 030 12 24.5 OA0920:UTM 10 - BENNETT LOOKOUT TOWER 028 29 29.3 OA0920 OA0920|---------------------------------------------------------------------| OA0920| PID Reference Object Distance Geod. Az | OA0920| dddmmss.s | OA0920| OA0912 BENNETT LOOKOUT TOWER APPROX.10.9 KM 0273500.9 | OA0920| OA0885 SUGAR LOAF LOOKOUT TOWER APPROX. 9.0 KM 1145442.6 | OA0920| OA0888 BARKLOW LOOKOUT TOWER APPROX.19.4 KM 1335139.8 | OA0920| OA0919 MT BUTLER LOOKOUT TOWER APPROX.13.1 KM 1523004.0 | OA0920| CD8494 EDSON 2 RM 1 9.063 METERS 21758 | OA0920| CD8493 EDSON 2 AZ MK 2450934.7 | OA0920| CD8495 EDSON 2 RM 2 8.278 METERS 28151 | OA0920|---------------------------------------------------------------------| OA0920 OA0920 SUPERSEDED SURVEY CONTROL OA0920 OA0920 NAD 83(1986)- 42 52 19.34242(N) 124 20 03.43678(W) AD( ) 2 OA0920 NAD 27 - 42 52 19.95900(N) 124 19 59.05400(W) AD( ) 2 OA0920 NGVD 29 (07/19/86) 850.8 (m) 2791. (f) VERT ANG OA0920 OA0920.Superseded values are not recommended for survey control. OA0920.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. OA0920.See file dsdata.txt to determine how the superseded data were derived. OA0920 OA0920_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TCN9101947469(NAD 83) OA0920_MARKER: Z = SEE DESCRIPTION OA0920_SETTING: 0 = UNSPECIFIED SETTING OA0920 OA0920 HISTORY - Date Condition Report By OA0920 HISTORY - 1942 MONUMENTED CGS OA0920 HISTORY - 1973 SEE DESCRIPTION NGS OA0920 HISTORY - 19861117 MARK NOT FOUND USPSQD OA0920 OA0920 STATION DESCRIPTION OA0920 OA0920'DESCRIBED BY COAST AND GEODETIC SURVEY 1942 (JCS) OA0920'STATION IS LOCATED BY AIR LINE DISTANCES ABOUT 7 MILES SE OF OA0920'LANGLOIS, 6-1/2 MILES ESE OF DENMARK, 12 MILES NE OF PORT OA0920'ORFORD, AND 5-3/4 MILES S OF THE COOS-CURRY COUNTY LINE. ON A OA0920'HIGH BARE MOUNTAIN, KNOWN AS EDSON BUTTE, THE SITE OF A STATE FIRE OA0920'GUARD STATION. THIS MOUNTAIN WAS THE SITE OF EDSON 1907 AND OA0920'U.S.G.S. STATION EDSON, BOTH NOW LOST. OA0920' OA0920'TO REACH FROM LANGLOIS, GO S 2.7 MILES ON U.S. HIGHWAY 101 TO OA0920'THE DENMARK POST OFFICE AND SERVICE STATION ON RIGHT. CONTINUE OA0920'S ON THE HIGHWAY 1.8 MILES TO A DIRT ROAD LEFT OPPOSITE TWO OA0920'HOUSES AND ABOUT 0.1 MILE S OF A TWO-STORY HOUSE ON LEFT. TURN OA0920'LEFT, E, ON THIS DIRT ROAD AND FOLLOW IT 1.9 MILES TO A OA0920'FORKS. TAKE LEFT FORK, UPPER ROAD, 1.1 MILES TO A FORKS OA0920'IMMEDIATELY AFTER PASSING THROUGH A GATE. TAKE RIGHT FORK AND OA0920'FOLLOW THIS ROAD EASTERLY 3.0 MILES TO A FORKS. TAKE RIGHT OA0920'FORK ALONG S SIDE OF CREST OF RIDGE 1.0 MILE. PASS THROUGH A OA0920'GATE AND GO 0.15 MILE TO A FORKS. AZIMUTH MARK IS ON SHARP, OA0920'CONICAL PEAK ABOUT 0.2 MILE TO RIGHT. TAKE LEFT FORK, MAIN OA0920'ROAD, AND FOLLOW IT 2.6 MILES TO A GATE AND FORKS, SHACK ON OA0920'RIGHT. TAKE LEFT FORK UP STEEP GRADE TO TOP OF MOUNTAIN 0.8 OA0920'MILE. OA0920' OA0920'STATION IS HERE, INSIDE THE N END OF THE ROAD LOOP, 39.6 FEET OA0920'NNE OF THE NE CORNER OF THE FIRE GUARD HOUSE, WHICH STANDS NEAR OA0920'THE N END OF THE SUMMIT. MARKED BY A BRONZE TRIANGULATION STATION OA0920'DISK SET IN A 12-INCH SQUARE BLOCK OF CONCRETE, PROJECTING 2 OA0920'INCHES ABOVE THE GROUND. IT IS STAMPED EDSON 2 1942. LOCATED OA0920'ABOUT 21 FEET NE OF, AND 3 FEET LOWER THAN THE HIGHEST POINT OF OA0920'THE BUTTE. OA0920' OA0920'UNDERGROUND MARK IS A BRONZE DISK SET IN CONCRETE, AS DESCRIBED OA0920'IN NOTE 7A. OA0920' OA0920'REFERENCE MARK NO.1 IS SW OF THE STATION, 10 FEET N AND 2 FEET E OA0920'OF THE NE CORNER OF THE HOUSE. A BRONZE REFERENCE MARK DISK, OA0920'STAMPED EDSON 2 1942 NO.1, CEMENTED IN A DRILL HOLE IN OUTCROPPING OA0920'ROCK, 6 INCHES ABOVE THE GROUND. OA0920' OA0920'REFERENCE MARK NO.2 IS W OF THE STATION, 6 FEET E OF RANGE WITH OA0920'THE W SIDE OF THE HOUSE, AND ABOUT 15 FEET E OF THE CENTER LINE OA0920'OF THE ROAD. A BRONZE REFERENCE MARK DISK, STAMPED EDSON 2 NO.2 OA0920'1942, CEMENTED IN A DRILL HOLE IN A LARGE ROCK OUTCROP. OA0920' OA0920'THE AZIMUTH MARK IS WSW OF THE STATION, ON A LOW, BUT PROMINENT OA0920'CONICAL PEAK. REACHED BY WALKING FROM FORK MENTIONED ABOVE, OA0920'EASTERLY ABOUT 200 YARDS, THEN CLIMBING SLOPE TO TOP OF OA0920'PEAK. MARKED BY A BRONZE AZIMUTH MARK DISK, STAMPED EDSON 2 1942, OA0920'CEMENTED IN A DRILL HOLE IN OUTCROPPING ROCK THAT PROJECTS ABOUT OA0920'18 INCHES ABOVE THE GROUND. IT IS ABOUT 20 FEET SE OF THE TOP OA0920'OF THE HILL, AND ABOUT 5 FEET LOWER. OA0920 OA0920 STATION RECOVERY (1973) OA0920 OA0920'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1973 (CLN) OA0920'THE STATION MARK, BOTH REFERENCE MARKS, AND THE AZIMUTH MARK WAS OA0920'RECOVERED IN GOOD CONDITION. THE LOOKOUT HAS BEEN MOVED SINCE OA0920'1942, AND NOW A LEG OF THE LOOKOUT IS BETWEEN THE STATION, AND OA0920'REFERENCE MARK NO. 2. THE DISTANCE TO REFERENCE MARK NO. 2 WAS OA0920'NOT VERIFIED. THE DISTANCE SHOWN ABOVE IS FROM THE ORIGINAL OA0920'DESCRIPTION. TREES ARE RAPIDLY GROWING AROUND THE LOOKOUT, AND OA0920'LINE OF SIGHT TO THE AZIMUTH MARK IS NOT CLEAR. LANDMARKS HAVE OA0920'CHANGED. A NEW AND COMPLETE DESCRIPTION FOLLOWS. OA0920' OA0920'THE STATION IS IN THE NORTHWEST 1/4 SECTION 23, T 31S, R 14W, OA0920'ON THE HIGHEST PART OF EDSON BUTTE. OA0920' OA0920'TO REACH THE STATION FROM THE CROSS STREET JUST EAST OF THE OA0920'LANGLOIS POST OFFICE, GO SOUTH ON U.S. HIGHWAY 101 FOR 0.6 MILE OA0920'TO FLORAS CREEK ROAD, COUNTY ROAD 124, ON THE LEFT, TURN LEFT, AND OA0920'GO EAST ON FLORAS CREEK ROAD FOR 6.3 MILES, TURN RIGHT OFF THE OA0920'COUNTY ROAD, AND GO SOUTHERLY ON THE MAIN TRAVELED B.L.M. ROAD OA0920'FOR 3.2 MILES TO A FORK AT THE BOTTOM OF A DRAW, TURN SHARP OA0920'LEFT, CROSS THE BRIDGE, AND GO SOUTH, AND EAST ON THE MAIN OA0920'TRAVELED ROAD FOR 3.1 MILES TO A T INTERSECTION, TURN RIGHT, AND OA0920'GO SOUTH FOR 0.4 MILE TO A CROSSROAD, TURN LEFT, UPGRADE, AND OA0920'GO EAST, AND NORTH FOR 0.8 MILE TO THE LOOKOUT, AND STATION. OA0920' OA0920'THE STATION MARK, STAMPED EDSON 2 1942, IS A STANDARD DISK SET OA0920'IN A 10-INCH CONCRETE MONUMENT THAT PROJECTS 2 INCHES, 13 FEET OA0920'WEST OF THE CENTER OF THE ROAD, 7 FEET NORTHEAST OF THE NORTHEAST OA0920'CORNER OF THE LOOKOUT, AND 7 FEET SOUTH OF A FIR TREE WITH A OA0920'WITNESS SIGN NAILED ON IT. (NOTE 1A AND 7A) OA0920' OA0920'REFERENCE MARK NO. 1, STAMPED EDSON 2 NO 1 1942, IS A STANDARD OA0920'DISK CEMENTED IN A DRILL HOLE IN BEDROCK THAT PROJECTS 6 INCHES, OA0920'27 FEET WEST OF THE CENTER OF THE ROAD, AND 6.5 FEET SOUTH OF THE OA0920'SOUTHEAST CORNER OF THE LOOKOUT. (NOTE 12A) OA0920' OA0920'REFERENCE MARK NO. 2, STAMPED EDSON 2 NO 2 1942, IS A STANDARD OA0920'DISK CEMENTED IN A DRILL HOLE IN BEDROCK THAT PROJECTS 1 FOOT, OA0920'16 FEET EAST OF THE CENTER OF THE ROAD, AND 6 FEET SOUTHWEST OF OA0920'THE NORTHWEST LEG OF THE LOOKOUT. (NOTE 12A) OA0920' OA0920'THE AZIMUTH MARK, STAMPED EDSON 2 1942, IS A STANDARD DISK CEMENTED OA0920'IN A DRILL HOLE IN BEDROCK THAT PROJECTS 2 FEET. (NOTE 17A) OA0920' OA0920'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN OA0920'7 MILES SOUTHEAST OF LANGLOIS. OA0920 OA0920 STATION RECOVERY (1986) OA0920 OA0920'RECOVERY NOTE BY US POWER SQUADRON 1986 (MC) OA0920'MARK NOT FOUND.