National Geodetic Survey, Retrieval Date = JANUARY 1, 2005 LU2186 *********************************************************************** LU2186 DESIGNATION - HORSE RIDGE LU2186 PID - LU2186 LU2186 STATE/COUNTY- CA/TRINITY LU2186 USGS QUAD - FOREST GLEN (1979) LU2186 LU2186 *CURRENT SURVEY CONTROL LU2186 ___________________________________________________________________ LU2186* NAD 83(1992)- 40 15 36.68552(N) 123 15 47.49599(W) ADJUSTED LU2186* NAVD 88 - 1851.2 (meters) 6073. (feet) VERTCON LU2186 ___________________________________________________________________ LU2186 EPOCH DATE - 1991.35 LU2186 LAPLACE CORR- 8.26 (seconds) DEFLEC99 LU2186 GEOID HEIGHT- -28.02 (meters) GEOID03 LU2186 LU2186 HORZ ORDER - FIRST LU2186 LU2186.The horizontal coordinates were established by classical geodetic methods LU2186.and adjusted by the National Geodetic Survey in March 1994. LU2186.The horizontal coordinates are valid at the epoch date displayed above. LU2186.The epoch date for horizontal control is a decimal equivalence LU2186.of Year/Month/Day. LU2186 LU2186.The NAVD 88 height was computed by applying the VERTCON shift value to LU2186.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) LU2186 LU2186.The Laplace correction was computed from DEFLEC99 derived deflections. LU2186 LU2186.The geoid height was determined by GEOID03. LU2186 LU2186; North East Units Scale Factor Converg. LU2186;SPC CA 1 - 603,691.137 1,892,551.252 MT 0.99994464 -0 49 33.5 LU2186;SPC CA 1 - 1,980,610.01 6,209,145.23 sFT 0.99994464 -0 49 33.5 LU2186;UTM 10 - 4,456,669.681 477,619.386 MT 0.99960617 -0 10 12.3 LU2186 LU2186! - Elev Factor x Scale Factor = Combined Factor LU2186!SPC CA 1 - 0.99971407 x 0.99994464 = 0.99965872 LU2186!UTM 10 - 0.99971407 x 0.99960617 = 0.99932035 LU2186 LU2186: Primary Azimuth Mark Grid Az LU2186:SPC CA 1 - MOUNT LASSIC 289 13 12.1 LU2186:UTM 10 - MOUNT LASSIC 288 33 50.9 LU2186 LU2186|---------------------------------------------------------------------| LU2186| PID Reference Object Distance Geod. Az | LU2186| dddmmss.s | LU2186| LU2190 HORSE RIDGE LOOKOUT TOWER 21.202 METERS 15535 | LU2186| LU2191 VA 6090 22.222 METERS 15810 | LU2186| LU2195 MOUNT LASSIC APPROX.26.1 KM 2882338.6 | LU2186| DB5221 HORSE RIDGE RM 1 14.804 METERS 31852 | LU2186|---------------------------------------------------------------------| LU2186 LU2186 SUPERSEDED SURVEY CONTROL LU2186 LU2186 NAD 83(1986)- 40 15 36.67605(N) 123 15 47.49899(W) AD(1984.00) 1 LU2186 NAD 27 - 40 15 37.14522(N) 123 15 43.41518(W) AD( ) 1 LU2186 NGVD 29 (07/19/86) 1850.2 (m) 6070. (f) VERT ANG LU2186 LU2186.Superseded values are not recommended for survey control. LU2186.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LU2186.See file dsdata.txt to determine how the superseded data were derived. LU2186 LU2186_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDK7761956670(NAD 83) LU2186_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION LU2186_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT LU2186 LU2186 HISTORY - Date Condition Report By LU2186 HISTORY - 1961 MONUMENTED CGS LU2186 HISTORY - 1964 SEE DESCRIPTION CGS LU2186 LU2186 STATION DESCRIPTION LU2186 LU2186'DESCRIBED BY COAST AND GEODETIC SURVEY 1961 (JCC) LU2186'THE STATION IS ABOUT 3-1/2 MILES EAST AND 8 MILES SOUTH OF LU2186'FOREST GLEN, 5-1/2 MILES EAST AND 4 MILES SOUTH OF RUTH AND ON LU2186'THE HIGHEST POINT OF HORSE RIDGE WHICH IS OCCUPIED BY THE LU2186'HORSE RIDGE LOOKOUT. LU2186' LU2186'TO REACH THE STATION FROM THE POST OFFICE IN FOREST GLEN, GO LU2186'WESTERLY ON STATE HIGHWAY 36 FOR 7.85 MILES TO THE SUMMIT OF LU2186'SOUTH FORK RIDGE AT SIGNS PICKETT PK 6, HORSE RIDGE L O. 15. LU2186'TURN LEFT AND GO SOUTHERLY FOR 4.55 MILES TO A SIGN ON THE LU2186'LEFT FOREST GLEN 8. CONTINUE STRAIGHT AHEAD, PASSING PICKETT LU2186'PK. LOOKOUT ON THE LEFT, FOR 12.4 MILES TO A POINT WHERE THE LU2186'MAIN ROAD GOES DOWN GRADE AT A SIDE ROAD ON THE RIGHT. TURN LU2186'RIGHT AND GO UP GRADE FOR 0.2 MILE TO THE LOOKOUT AND THE LU2186'STATION. LU2186' LU2186'THE STATION MARKS ARE STANDARD DISKS STAMPED HORSE RIDGE 1961. LU2186'THE SURFACE MARK IS SET IN THE TOP OF AN 11-INCH SQUARE LU2186'CONCRETE POST PROJECTING 6 INCHES. IT IS 58.4 FEET NORTH OF LU2186'THE NORTHWEST LEG OF THE LOOKOUT. THE UNDERGROUND MARK IS SET LU2186'IN AN IRREGULAR MASS OF CONCRETE 30 INCHES BELOW THE GROUND LU2186'SURFACE. LU2186' LU2186'REFERENCE MARK 1 IS A STANDARD DISK STAMPED HORSE RIDGE NO LU2186'1 1961, CEMENTED IN A DRILL HOLE IN A 3 BY 5 FOOT ROCK LU2186'OUTCROP THAT PROJECTS 2-1/2 FEET. IT IS 104.5 FEET NORTH LU2186'OF THE NORTHWEST LEG OF THE LOOKOUT AND AT ABOUT THE SAME LU2186'ELEVATION AS THE STATION. LU2186' LU2186'V.A. 6090 (USGS) IS A BRONZE DISK OF THE UNITED STATES GEOLOGICAL LU2186'SURVEY SET IN THE TOP OF A 6-INCH SQUARE CONCRETE POST LU2186'PROJECTING 6 INCHES. IT IS NEAR THE SOUTHWEST CORNER OF THE LU2186'BASE OF THE LOOKOUT AND NEAR THE STEPS LEADING TO THE TOP OF THE LU2186'LOOKOUT. THE DISK IS STAMPED 6090 V A S. LU2186' LU2186'NO SUITABLE LOCATION FOR AN AZIMUTH MARK. LU2186 LU2186 STATION RECOVERY (1964) LU2186 LU2186'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1964 (JJL) LU2186'THE STATION AND ALL MARKS WERE RECOVERED AS DESCRIBED IN THE LU2186'1961 DESCRIPTION AND WERE FOUND TO BE IN GOOD CONDITION. DUE LU2186'TO CHANGES IN ROADS A NEW DESCRIPTION OF THE TO REACH FOLLOWS. LU2186' LU2186'THE STATION IS ABOUT 3-1/2 MILES EAST AND 8 MILES SOUTH OF LU2186'FOREST GLEN, 4 MILES EAST OF RUTH (TOWN HAS BEEN MOVED 5 LU2186'MILES SOUTH OF THE ORIGINAL TOWN SITE), ON THE HIGHEST POINT LU2186'OF HORSE RIDGE WHICH IS OCCUPIED BY THE HORSE RIDGE LOOKOUT LU2186'TOWER. LU2186' LU2186'TO REACH FROM THE POST OFFICE IN RUTH, GO SOUTHEAST ON PAVED LU2186'ROAD FOR 1.45 MILES TO A SIDE ROAD LEFT AND THE RUTH FORESTRY LU2186'STATION ON THE RIGHT. TURN LEFT AND FOLLOW GRAVELED ROAD LU2186'EASTERLY FOR 0.45 MILE TO A CREEK BED, CROSS THE CREEK AND LU2186'FOLLOW MOUNTAIN ROAD SOUTHEAST AND EASTERLY FOR 2.1 MILES TO A LU2186'FORK. TAKE RIGHT FORK AND CONTINUE ON MOUNTAIN ROAD FOR LU2186'5.45 MILES TO A FORK. TAKE LEFT FORK AND CONTINUE ON MOUNTAIN LU2186'ROAD FOR 4.05 MILES TO A FORK. TAKE THE LEFT FORK AND LU2186'CONTINUE ON GRAVELED ROAD FOR 0.2 MILE TO THE HORSE RIDGE LU2186'LOOKOUT TOWER AND THE STATION.