National Geodetic Survey, Retrieval Date = SEPTEMBER 23, 2002 LU2218 *********************************************************************** LU2218 DESIGNATION - GROUSE MTN LU2218 PID - LU2218 LU2218 STATE/COUNTY- CA/HUMBOLDT LU2218 USGS QUAD - GROUSE MTN (1979) LU2218 LU2218 *CURRENT SURVEY CONTROL LU2218 ___________________________________________________________________ LU2218* NAD 83(1992)- 40 45 32.59425(N) 123 40 21.19254(W) ADJUSTED LU2218* NAVD 88 - 1649.9 (meters) 5413. (feet) VERTCON LU2218 ___________________________________________________________________ LU2218 EPOCH DATE - 1991.35 LU2218 LAPLACE CORR- 6.80 (seconds) DEFLEC99 LU2218 GEOID HEIGHT- -28.02 (meters) GEOID99 LU2218 LU2218 HORZ ORDER - SECOND LU2218 LU2218.The horizontal coordinates were established by classical geodetic methods LU2218.and adjusted by the National Geodetic Survey in March 1994. LU2218.The horizontal coordinates are valid at the epoch date displayed above. LU2218.The epoch date for horizontal control is a decimal equivalence LU2218.of Year/Month/Day. LU2218 LU2218.The NAVD 88 height was computed by applying the VERTCON shift value to LU2218.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) LU2218 LU2218.The Laplace correction was computed from DEFLEC99 derived deflections. LU2218 LU2218.The geoid height was determined by GEOID99. LU2218 LU2218; North East Units Scale Converg. LU2218;SPC CA 1 - 659,655.604 1,858,791.534 MT 0.99989551 -1 05 37.2 LU2218;SPC CA 1 - 2,164,220.09 6,098,385.22 sFT 0.99989551 -1 05 37.2 LU2218;UTM 10 - 4,512,227.859 443,231.549 MT 0.99963967 -0 26 20.8 LU2218 LU2218: Primary Azimuth Mark Grid Az LU2218:SPC CA 1 - HAWKINS 039 22 14.9 LU2218:UTM 10 - HAWKINS 038 42 58.5 LU2218 LU2218|---------------------------------------------------------------------| LU2218| PID Reference Object Distance Geod. Az | LU2218| dddmmss.s | LU2218| LU2210 HAWKINS APPROX.19.6 KM 0381637.7 | LU2218| DB5990 GROUSE RM 2 59.049 METERS 28045 | LU2218| DB5988 GROUSE MTN RM 1 15.783 METERS 28754 | LU2218| LU2217 GROUSE MTN LOOKOUT TOWER 5.331 METERS 29635 | LU2218| LU2215 GROUSE USGS 1961 112.871 METERS 30623 | LU2218| DB5989 GROUSE MTN RM 2 6.576 METERS 34949 | LU2218|---------------------------------------------------------------------| LU2218 LU2218 SUPERSEDED SURVEY CONTROL LU2218 LU2218 NAD 83(1986)- 40 45 32.57590(N) 123 40 21.20486(W) AD(1984.00) 2 LU2218 NAD 27 - 40 45 33.08430(N) 123 40 17.04210(W) AD( ) 2 LU2218 NGVD 29 - 1648.9 (m) 5410. (f) VERT ANG LU2218 LU2218.Superseded values are not recommended for survey control. LU2218.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LU2218.See file dsdata.txt to determine how the superseded data were derived. LU2218 LU2218_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION LU2218_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT LU2218 LU2218 HISTORY - Date Condition Report By LU2218 HISTORY - 1961 MONUMENTED CGS LU2218 LU2218 STATION DESCRIPTION LU2218 LU2218'DESCRIBED BY COAST AND GEODETIC SURVEY 1961 (JCC) LU2218'THE STATION IS ON A HIGH NORTHWEST-SOUTHEAST RIDGE, NEAR THE LU2218'GROUSE MOUNTAIN LOOKOUT. IT IS ABOUT 13-1/2 MILES SOUTH LU2218'OF WILLOW CREEK, 23-1/2 MILES WEST OF BIG BAR, 21 MILES EAST LU2218'OF GARFIELD AND 8-1/2 MILES SOUTHWEST OF BURNT RANCH. LU2218' LU2218'TO REACH FROM THE POST OFFICE IN SALYER, GO WESTERLY ON U.S. LU2218'HIGHWAY 299 FOR 1.3 MILES TO A SIDE ROAD LEFT AT SIGN FRIDAY LU2218'RIDGE ROAD, GROUSE MOUNTAIN L.O. 19. TURN LEFT AS PER SIGN LU2218'ON PAVED AND GRAVELED ROAD FOR 0.9 MILE TO A FORK. TAKE THE LU2218'RIGHT FORK UP HILL FOR 2.4 MILES TO A FORK. TAKE THE LEFT LU2218'FORK, MAIN ROAD FOR 0.9 MILE TO A SIDE ROAD RIGHT AT SIGN LU2218'GROUSE MOUNTAIN L.O. 15. CONTINUE AHEAD ON THE MAIN ROAD LU2218'FOR 8.2 MILES TO A FORK AT SIGN GROUSE MOUNTAIN. TAKE THE LU2218'LEFT FORK, AS PER SIGN FOR 3.3 MILES TO A SIDE ROAD RIGHT LU2218'AT SIGN CLEAR LAKE, GROUSE MOUNTAIN L.O. CONTINUE AHEAD ON LU2218'THE MAIN ROAD FOR 2.5 MILES TO A FORK AT SIGN GROUSE MTN. LU2218'TAKE THE LEFT FORK AS PER SIGN FOR 1.15 MILES TO THE LU2218'LOOKOUT AND STATION. LU2218' LU2218'STATION MARKS ARE STANDARD DISKS, STAMPED GROUSE MTN 1961. LU2218'THE SURFACE DISK IS SET IN THE TOP OF AN 11 INCH SQUARE CONCRETE LU2218'POST FLUSH WITH THE GROUND. IT IS 18.2 FEET SOUTH-SOUTHEAST LU2218'OF THE NORTHEAST LEG OF THE LOOKOUT AND 6.8 FEET EAST OF THE LU2218'SOUTHEAST LEG OF THE LOOKOUT. THE UNDER GROUND DISK IS SET IN LU2218'AN IRREGULAR MASS OF CONCRETE 33 INCHES BELOW THE GROUND LU2218'SURFACE. LU2218' LU2218'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED GROUSE MTN NO LU2218'1 1961, CEMENTED IN A DRILL HOLE IN THE SOUTHEAST CORNER LU2218'OF A CONCRETE FOUNDATION OF A SMALL BUILDING. IT IS 30.0 FEET LU2218'NORTHWEST OF THE SOUTHWEST LEG OF THE LOOKOUT AND 24.5 FEET LU2218'WEST OF THE NORTHWEST LEG OF THE LOOKOUT AND ABOUT 1 FOOT HIGHER LU2218'THAN THE STATION. LU2218' LU2218'REFERENCE MARK 2 IS A STANDARD DISK, STAMPED GROUSE MTN NO LU2218'2 1961, CEMENTED IN A DRILL HOLE IN THE NORTHEAST CORNER OF LU2218'THE FOUNDATION OF THE LOOKOUT TOWER STEPS. IT IS 5.0 FEET LU2218'NORTHEAST OF THE NORTHEAST LEG OF THE LOOKOUT AND ABOUT 1 LU2218'FOOT HIGHER THAN THE STATION. LU2218' LU2218'GROUSE (USGS) IS A U.S. GEOLOGICAL SURVEY DISK, STAMPED LU2218'GROUSE 1932, CEMENTED IN A DRILL HOLE IN ROCK OUTCROP FLUSH LU2218'WITH THE GROUND. IT IS 36.5 FEET NORTHWEST OF AN OLD TELEPHONE LU2218'LINE POLE AND 37 FEET NORTHEAST OF THE CENTERLINE OF THE LU2218'GRADED ROAD. LU2218' LU2218'GROUSE (USGS) R.M. 2 IS A U.S. GEOLOGICAL SURVEY DISK, STAMPED LU2218'NO 2, CEMENTED IN A DRILL HOLE IN A 3 X 3 FOOT ROCK OUTCROP LU2218'PROJECTING 2 INCHES. IT IS 44 FEET SOUTHWEST OF THE CENTERLINE LU2218'OF THE GRADED ROAD AND 181 FEET WEST OF THE SOUTHWEST LEG LU2218'OF THE LOOKOUT. LU2218' LU2218'A SECOND ORDER TRAVERSE CONNECTION WAS MADE TO GROUSE (USGS) LU2218'AND GROUSE MTN LOOKOUT TOWER.