National Geodetic Survey, Retrieval Date = MAY 1, 2010 PC0908 *********************************************************************** PC0908 DESIGNATION - CASTLE ROCK RESET PC0908 PID - PC0908 PC0908 STATE/COUNTY- OR/LANE PC0908 USGS QUAD - DORENA LAKE (1986) PC0908 PC0908 *CURRENT SURVEY CONTROL PC0908 ___________________________________________________________________ PC0908* NAD 83(1991)- 43 50 34.91312(N) 122 53 30.60795(W) ADJUSTED PC0908* NAVD 88 - 1128.7 (meters) 3703. (feet) VERTCON PC0908 ___________________________________________________________________ PC0908 LAPLACE CORR- 3.29 (seconds) DEFLEC09 PC0908 GEOID HEIGHT- -23.18 (meters) GEOID09 PC0908 HORZ ORDER - SECOND PC0908 PC0908.The horizontal coordinates were established by classical geodetic methods PC0908.and adjusted by the National Geodetic Survey in October 1991. PC0908 PC0908.The NAVD 88 height was computed by applying the VERTCON shift value to PC0908.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) PC0908 PC0908.The Laplace correction was computed from DEFLEC09 derived deflections. PC0908 PC0908.The geoid height was determined by GEOID09. PC0908 PC0908; North East Units Scale Factor Converg. PC0908;SPC OR S - 244,509.522 1,307,688.020 MT 0.99996390 -1 38 10.9 PC0908;SPC OR S - 802,196.59 4,290,315.03 iFT 0.99996390 -1 38 10.9 PC0908;UTM 10 - 4,854,444.612 508,694.820 MT 0.99960093 +0 04 29.7 PC0908 PC0908! - Elev Factor x Scale Factor = Combined Factor PC0908!SPC OR S - 0.99982668 x 0.99996390 = 0.99979059 PC0908!UTM 10 - 0.99982668 x 0.99960093 = 0.99942768 PC0908 PC0908: Primary Azimuth Mark Grid Az PC0908:SPC OR S - WARDS 2 242 35 58.3 PC0908:UTM 10 - WARDS 2 240 53 17.7 PC0908 PC0908|---------------------------------------------------------------------| PC0908| PID Reference Object Distance Geod. Az | PC0908| dddmmss.s | PC0908| PC0909 CASTLE ROCK LOOKOUT TOWER 18.680 METERS 17217 | PC0908| PC0962 WARDS 2 APPROX.24.5 KM 2405747.4 | PC0908| CD9177 CASTLE ROCK RM 1 3.157 METERS 24727 | PC0908| CD9176 CASTLE ROCK AZ MK 2635749.5 | PC0908| PC0917 SAN FRANCISCO PORTLAND BCN 45 APPROX.13.0 KM 3032604.8 | PC0908| QE2182 SAN FRANCISCO PORTLAND BCN 46 APPROX.25.9 KM 3343143.3 | PC0908| CD9178 CASTLE ROCK RM 2 4.831 METERS 34538 | PC0908|---------------------------------------------------------------------| PC0908 PC0908 SUPERSEDED SURVEY CONTROL PC0908 PC0908 NAD 83(1986)- 43 50 34.92651(N) 122 53 30.63170(W) AD( ) 2 PC0908 NAD 27 - 43 50 35.47300(N) 122 53 26.36400(W) AD( ) 2 PC0908 NGVD 29 (07/19/86) 1127.5 (m) 3699. (f) VERT ANG PC0908 PC0908.Superseded values are not recommended for survey control. PC0908.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. PC0908.See file dsdata.txt to determine how the superseded data were derived. PC0908 PC0908_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TEP0869454444(NAD 83) PC0908_MARKER: DS = TRIANGULATION STATION DISK PC0908_SETTING: 66 = SET IN ROCK OUTCROP PC0908_STAMPING: CASTLE ROCK USE 1940 1980 PC0908_MARK LOGO: NGS PC0908 PC0908 HISTORY - Date Condition Report By PC0908 HISTORY - 1980 MONUMENTED NGS PC0908 PC0908 STATION DESCRIPTION PC0908 PC0908'DESCRIBED BY NATIONAL GEODETIC SURVEY 1980 (CLN) PC0908'REFERENCE MARK 1 WAS RECOVERED IN GOOD CONDITION. THE OUTER PART OF PC0908'THE DISK TO RM 2 HAS BEEN TORN OFF BY VANDALS. THE STATION PC0908'DISK HAD BEEN REMOVED BUT THE DRILL HOLE WITH PART OF THE SHANK PC0908'REMAINS. A NEW CENTER MARK WAS PUT IN AT THIS TIME. THE PC0908'AZIMUTH MARK WAS SEARCHED FOR BUT WAS NOT RECOVERED. PC0908' PC0908'THE STATION IS LOCATED ON BEAR MOUNTAIN ABOUT 9 MILES EAST-NORTHEAST PC0908'OF COTTAGE GROVE, 8 MILES SOUTHWEST OF LOWELL, AND ON PROPERTY OWNED PC0908'BY GEORGIA PACIFIC CORPORATION. PC0908' PC0908'TO REACH THE STATION FROM COTTAGE GROVE GO NORTH ON I-5 FOR 1.8 MILES PC0908'TO THE SAGINAW EXIT, TAKE THE EXIT AND GO 0.05 MILES TO A T JUNCTION, PC0908'TURN LEFT ON SEARS ROAD AND GO 0.7 MILE TO A FORK, TAKE RIGHT FORK, PC0908'MEYER ROAD, AND GO 1.25 MILES TO A ROAD FORK, TAKE LEFT FORK AND GO PC0908'0.65 MILE TO A GATE, KEY AND PERMISSION TO ENTER CAN BE OBTAINED FROM PC0908'THE GEORGIA PACIFIC CORP IN SPRINGFIELD, PASS THROUGH THE GATE AND GO PC0908'7.1 MILES TO A ROAD FORK, TAKE LEFT FORK AND GO 0.15 MILE TO A FORK, PC0908'TAKE RIGHT FORK UPHILL FOR 0.35 MILE TO THE TOP OF THE HILL AND THE PC0908'STATION. PC0908' PC0908'THE STATION IS A STANDARD NATIONAL GEODETIC SURVEY DISK STAMPED PC0908'---CASTLE ROCK USE 1940 1980---SET INTO ROCK OUTCROP LOCATED 19.51 PC0908'METERS (64.0 FEET) N FROM THE NW CORNER OF BLUE BUILDING UNDER PC0908'MICROWAVE MAST, 4.11 METERS (13.5 FEET) N FROM A 6 INCH IN DIAMETER PC0908'FIR, 5.5 METERS (18 FEET) E FROM A 14 INCH FIR TREE, AND 1.28 METERS PC0908'(4.2 FEET) SW FROM A METAL WITNESS POST. PC0908' PC0908'REFERENCE MARK NO. 1 IS A STANDARD US COAST AND GEODETIC SURVEY (NOW PC0908'NOS) DISK STAMPED---CASTLE ROCK 1940 NO 1---SET INTO ROCK OUTCROP PC0908'LOCATED 18.9 METERS (62 FEET) NNW FROM THE NORTHWEST CORNER OF A PC0908'METAL BUILDING, 1.8 METERS (6 FEET) E FROM A 14 INCH IN DIAMETER FIR PC0908'TREE, AND 0.46 METER (1.5 FEET) LOWER THAN THE STATION. PC0908' PC0908'REFERENCE MARK NO. 2 IS THE CENTER PART OF A USC AND GS REFERENCE PC0908'MARK DISK SET INTO A PARTIALLY EXPOSED BOULDER. THE CROSS HATCH OF PC0908'THE ARROW REMAINS. THE MARK IS LOCATED 4.9 METERS (16 FEET) NNW FROM PC0908'THE HIGHEST PART OF THE ROCK OUTCROP AND 1.2 METERS (4 FEET) LOWER PC0908'THAN THE STATION.