National Geodetic Survey, Retrieval Date = APRIL 24, 2010 PC0847 *********************************************************************** PC0847 DESIGNATION - ILLAHEE PC0847 PID - PC0847 PC0847 STATE/COUNTY- OR/DOUGLAS PC0847 USGS QUAD - ILLAHEE ROCK (1997) PC0847 PC0847 *CURRENT SURVEY CONTROL PC0847 ___________________________________________________________________ PC0847* NAD 83(1991)- 43 20 57.28415(N) 122 33 48.14792(W) ADJUSTED PC0847* NAVD 88 - 1641.6 (meters) 5386. (feet) VERTCON PC0847 ___________________________________________________________________ PC0847 LAPLACE CORR- 9.58 (seconds) DEFLEC09 PC0847 GEOID HEIGHT- -22.82 (meters) GEOID09 PC0847 HORZ ORDER - SECOND PC0847 PC0847.The horizontal coordinates were established by classical geodetic methods PC0847.and adjusted by the National Geodetic Survey in October 1991. PC0847 PC0847.The NAVD 88 height was computed by applying the VERTCON shift value to PC0847.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) PC0847 PC0847.The Laplace correction was computed from DEFLEC09 derived deflections. PC0847 PC0847.The geoid height was determined by GEOID09. PC0847 PC0847; North East Units Scale Factor Converg. PC0847;SPC OR S - 188,966.023 1,332,740.233 MT 0.99989957 -1 24 41.9 PC0847;SPC OR S - 619,967.27 4,372,507.33 iFT 0.99989957 -1 24 41.9 PC0847;UTM 10 - 4,799,691.669 535,386.424 MT 0.99961540 +0 17 59.0 PC0847 PC0847! - Elev Factor x Scale Factor = Combined Factor PC0847!SPC OR S - 0.99974621 x 0.99989957 = 0.99964581 PC0847!UTM 10 - 0.99974621 x 0.99961540 = 0.99936171 PC0847 PC0847: Primary Azimuth Mark Grid Az PC0847:SPC OR S - FAIRVIEW RESET 345 58 32.9 PC0847:UTM 10 - FAIRVIEW RESET 344 15 52.0 PC0847 PC0847|---------------------------------------------------------------------| PC0847| PID Reference Object Distance Geod. Az | PC0847| dddmmss.s | PC0847| PC0848 ILLAHE 55.336 METERS 10908 | PC0847| PC0850 ILLAHE LOOKOUT HOUSE 58.254 METERS 11541 | PC0847| CD8712 ILLAHEE RM 2 5.911 METERS 16810 | PC0847| CD8711 ILLAHEE RM 1 12.610 METERS 28727 | PC0847| PC0887 FAIRVIEW RESET APPROX.27.3 KM 3443351.0 | PC0847|---------------------------------------------------------------------| PC0847 PC0847 SUPERSEDED SURVEY CONTROL PC0847 PC0847 NAD 83(1986)- 43 20 57.28624(N) 122 33 48.16407(W) AD( ) 2 PC0847 NAD 27 - 43 20 57.85300(N) 122 33 43.99240(W) AD( ) 2 PC0847 NGVD 29 (07/19/86) 1640.4 (m) 5382. (f) VERT ANG PC0847 PC0847.Superseded values are not recommended for survey control. PC0847.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. PC0847.See file dsdata.txt to determine how the superseded data were derived. PC0847 PC0847_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TEN3538699691(NAD 83) PC0847_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION PC0847_SETTING: 66 = SET IN ROCK OUTCROP PC0847 PC0847 HISTORY - Date Condition Report By PC0847 HISTORY - 1953 MONUMENTED CGS PC0847 HISTORY - 1978 SEE DESCRIPTION NGS PC0847 PC0847 STATION DESCRIPTION PC0847 PC0847'DESCRIBED BY COAST AND GEODETIC SURVEY 1953 (CTH) PC0847'THE STATION IS LOCATED ABOUT 9 MILES EAST OF STEAMBOAT AND 4 PC0847'MILES NORTH OF THE NORTH UMPQUA RIVER ON A ROCKY PEAK KNOWN AS PC0847'ILLAHE ROCK. THERE IS A U.S. FOREST SERVICE LOOKOUT HOUSE PC0847'LOCATED ON THE PEAK. PC0847' PC0847'INQUIRE FROM THE FOREST SERVICE THE BEST ROUTE TO STATION AS PC0847'NEW ROADS ARE BEING CONSTRUCTED IN THE AREA. PC0847' PC0847'THE STATION MARK IS STAMPED ILLAHEE 1953. IT IS A STANDARD DISK PC0847'CEMENTED IN A DEPRESSION IN BEDROCK ON THE HIGHEST POINT OF THE PC0847'PEAK. PC0847' PC0847'REFERENCE MARK 1 IS STAMPED ILLAHEE NO 1 1953. IT IS A PC0847'STANDARD DISK CEMENTED IN A DRILL HOLE IN BEDROCK 5 FEET LOWER PC0847'THAN THE STATION MARK. PC0847' PC0847'REFERENCE MARK 2 IS STAMPED ILLAHEE NO 2 1953. IT IS A STANDARD PC0847'DISK CEMENTED IN A DRILL HOLE IN BEDROCK 3 FEET LOWER THAN THE PC0847'STATION MARK. PC0847' PC0847'ILLAHE (USGS) IS A U.S. GEOLOGICAL SURVEY BENCH MARK STAMPED PC0847'ILLAHE 1934. IT IS CEMENTED IN A DRILL HOLE IN BEDROCK 14 FEET PC0847'NORTH OF THE NORTH CORNER OF THE LOOKOUT HOUSE. PC0847' PC0847'HEIGHT OF LIGHT ABOVE STATION MARK 1.5 METER. PC0847 PC0847 STATION RECOVERY (1978) PC0847 PC0847'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978 (CLN) PC0847'ILLAHE (USGS) WAS RECOVERED IN GOOD CONDITION. REFERENCE MARK PC0847'NO. 2 WAS LOOSE, ADDITIONAL CEMENT WAS PLACED AROUND REFERENCE PC0847'MARK NO. 2 TO MAKE IT SOLID. THE STATION MARK, AND REFERENCE MARK PC0847'NO. 1 HAD BEEN REMOVED BY SOME IRRESPONSIBLE PARTY, THE DRILL PC0847'HOLES WERE NOT IDENTIFIABLE. A TO REACH FOLLOWS. PC0847' PC0847'TO REACH THE STATION FROM THE IDLEYLD PARK POST OFFICE, GO EAST PC0847'ON STATE HIGHWAY 138 FOR 27 MILES TO MILEPOST NO. 47, CONTINUE EAST PC0847'ON THE HIGHWAY FOR 0.2 MILE TO A SIDE ROAD LEFT, JUST AFTER PC0847'CROSSING THE BRIDGE OVER DRY CREEK, TURN LEFT, AND GO PC0847'NORTHEASTERLY ON FOREST SERVICE ROAD 2531 FOR 7.9 MILES TO A FORK PC0847'AT THE JUNCTION WITH FOREST SERVICE ROAD 2603, TAKE THE RIGHT PC0847'FORK, AND CONTINUE ON FOREST SERVICE ROAD 2531 FOR 1.2 MILE TO PC0847'THE END OF TRUCK TRAVEL, AND THE BEGINNING OF THE FOREST PC0847'SERVICE TRAIL ON THE LEFT. PACK UP THE WELL KEPT FOREST PC0847'SERVICE TRAIL FOR 1/2 HOUR TO THE SUMMIT, THE LOOKOUT TOWER, PC0847'AND ILLAHE (USGS), WITH ITS REFERENCE MARKS. PC0847' PC0847'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN PC0847'22 MILES EAST-NORTHEAST OF IDLEYLD.