National Geodetic Survey, Retrieval Date = SEPTEMBER 25, 2002 LU2088 *********************************************************************** LU2088 DESIGNATION - GRANITE LU2088 PID - LU2088 LU2088 STATE/COUNTY- CA/TRINITY LU2088 USGS QUAD - COVINGTON MILL (1982) LU2088 LU2088 *CURRENT SURVEY CONTROL LU2088 ___________________________________________________________________ LU2088* NAD 83(1992)- 40 54 35.84191(N) 122 52 21.82407(W) ADJUSTED LU2088* NAVD 88 - 2465.3 (meters) 8088. (feet) VERTCON LU2088 ___________________________________________________________________ LU2088 EPOCH DATE - 1991.35 LU2088 LAPLACE CORR- -5.86 (seconds) DEFLEC99 LU2088 GEOID HEIGHT- -25.06 (meters) GEOID99 LU2088 LU2088 HORZ ORDER - SECOND LU2088 LU2088.The horizontal coordinates were established by classical geodetic methods LU2088.and adjusted by the National Geodetic Survey in March 1994. LU2088.The horizontal coordinates are valid at the epoch date displayed above. LU2088.The epoch date for horizontal control is a decimal equivalence LU2088.of Year/Month/Day. LU2088 LU2088.The NAVD 88 height was computed by applying the VERTCON shift value to LU2088.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) LU2088 LU2088.The Laplace correction was computed from DEFLEC99 derived deflections. LU2088 LU2088.The geoid height was determined by GEOID99. LU2088 LU2088; North East Units Scale Converg. LU2088;SPC CA 1 - 675,430.026 1,926,481.855 MT 0.99989549 -0 34 14.4 LU2088;SPC CA 1 - 2,215,973.34 6,320,465.89 sFT 0.99989549 -0 34 14.4 LU2088;UTM 10 - 4,528,769.207 510,718.248 MT 0.99960141 +0 05 00.0 LU2088 LU2088: Primary Azimuth Mark Grid Az LU2088:SPC CA 1 - GRANITE AZ MK 130 20 39.4 LU2088:UTM 10 - GRANITE AZ MK 129 41 25.0 LU2088 LU2088|---------------------------------------------------------------------| LU2088| PID Reference Object Distance Geod. Az | LU2088| dddmmss.s | LU2088| DB5962 GRANITE AZ MK 1294625.0 | LU2088| LU2087 GRANITE PEAK LOOKOUT HOUSE 110.940 METERS 19705 | LU2088| DB5963 GRANITE RM 1 6.474 METERS 23622 | LU2088| MX1067 CARIBOU PEAK APPROX.15.2 KM 3310751.4 | LU2088| DB5964 GRANITE RM 2 5.116 METERS 33335 | LU2088|---------------------------------------------------------------------| LU2088 LU2088 SUPERSEDED SURVEY CONTROL LU2088 LU2088 NAD 83(1986)- 40 54 35.83305(N) 122 52 21.82690(W) AD(1984.00) 2 LU2088 NAD 27 - 40 54 36.31730(N) 122 52 17.73130(W) AD( ) 2 LU2088 NGVD 29 - 2464.3 (m) 8085. (f) VERT ANG LU2088 LU2088.Superseded values are not recommended for survey control. LU2088.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LU2088.See file dsdata.txt to determine how the superseded data were derived. LU2088 LU2088 HISTORY - Date Condition Report By LU2088 HISTORY - 1920 MONUMENTED CGS LU2088 HISTORY - 1953 SEE DESCRIPTION CGS LU2088 HISTORY - 1954 SEE DESCRIPTION CGS LU2088 HISTORY - 1961 SEE DESCRIPTION CGS LU2088 LU2088 STATION DESCRIPTION LU2088 LU2088'DESCRIBED BY COAST AND GEODETIC SURVEY 1920 (EWE) LU2088'10 MILES SW OF TRINITY CENTER, ON GRANITE PEAK, AND 150 YARDS LU2088'NE OF LOOKOUT STATION. MARKED BY STANDARD STATION DISK IN LU2088'BEDROCK, NOTE 2. LU2088 LU2088 STATION RECOVERY (1953) LU2088 LU2088'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1953 (RAG) LU2088'THE STATION WAS RECOVERED AS DESCRIBED, AND ALL MARKS WERE LU2088'FOUND IN GOOD CONDITION. THE ROUTE TO REACH THE STATION, LU2088'AS DESCRIBED BY THE RECONNAISSANCE PARTY IN 1952, IS ADEQUATE LU2088'FOR REACHING THE STATION. LU2088' LU2088'NOTE--A NEW INSTRUMENT STAND WILL BE REQUIRED FOR THIS STATION. LU2088'THE STATION WAS NOT OCCUPIED, IT WAS VISITED BY A LIGHTKEEPER LU2088'ONLY, AND THE LIGHT SHOWN TO THE OTHER STATION. LU2088 LU2088 STATION RECOVERY (1954) LU2088 LU2088'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1954 (LSB) LU2088'THE STATION MARK WAS RECOVERED AS DESCRIBED AND WAS FOUND TO LU2088'BE IN GOOD CONDITION. LU2088' LU2088'THE STATION IS LOCATED ABOUT 13 MILES NORTH-NORTHEAST OF LU2088'WEAVERVILLE, ABOUT 10 MILES SOUTHWEST OF TRINITY CENTER, ABOUT LU2088'6 MILES NORTHWEST OF MINERSVILLE, AND ABOUT 4 MILES NORTH LU2088'OF TRINITY ALPS. IT IS ON GRANITE MOUNTAIN, THE HIGHEST LU2088'POINT IN THE VICINITY. LU2088' LU2088'THE STATION CAN BE REACHED FROM THE FOREST SERVICE GUARD STATION LU2088'IN MINERSVILLE BY DRIVING WEST FOR 1.3 MILES TO A FORK. TAKE LU2088'THE LEFT FORK AND GO 0.2 MILE TO A FORK. TAKE THE RIGHT FORK, LU2088'UP HILL, AND GO 0.5 MILE TO A FORK AND SIGN GRANITE PEAK LU2088'TRAIL. TAKE THE LEFT FORK AND GO 4.4 MILES TO A WIRE CORRAL LU2088'ON THE RIGHT AND THE END OF TRUCK TRAVEL FOR A 2-WHEEL DRIVE LU2088'VEHICLE. A 4-WHEEL DRIVE VEHICLE CAN BE DRIVEN 0.15 MILE LU2088'FARTHER TO A TRIANGLE BLAZE ON A 24-INCH PINE TREE AT A LU2088'FORK IN THE TRAIL. PACK UP THE RIGHT FORK OF THE TRAIL, UP LU2088'HILL, AND CONTINUE ALONG THIS WELL MARKED TRAIL FOR ABOUT LU2088'4 HOURS TO THE LOOKOUT HOUSE AND THE STATION ABOUT 150 LU2088'YARDS BEYOND. LU2088' LU2088'THE STATION MARK, A STANDARD DISK STAMPED GRANITE 1920, IS LU2088'SET IN A DRILL HOLE IN IN A MONSTROUS OUTCROP THAT IS ABOUT LU2088'40 FEET NORTH OF AND ABOUT 10 FEET LOWER THAN THE HIGHEST LU2088'PART OF THE HILL. LU2088' LU2088'REFERENCE MARK 1, A U.S. GEOLOGICAL SURVEY REFERENCE DISK LU2088'STAMPED NO 1 1949, IS SET IN A DRILL HOLE IN AN ENORMOUS LU2088'OUTCROP THAT PROJECTS ABOUT 15 FEET ON THE NORTH SIDE AND IS LU2088'ATTACHED TO THE FORMATION THAT FORMS THE HIGHEST PART OF LU2088'THE MOUNTAIN AND IS ABOUT THE SAME ELEVATION AS THE STATION LU2088'MARK. LU2088' LU2088'REFERENCE MARK 2, A STANDARD DISK OF THE U.S. GEOLOGICAL LU2088'SURVEY STAMPED NO 2 1949, IS SET IN A DRILL HOLE IN AN OUTCROP LU2088'THAT PROJECTS ABOUT 6 FEET ON THE NORTHWEST SIDE AND IS LU2088'FLUSH ON THE SOUTHEAST WITH THE SURROUNDING SURFACE. IT IS LU2088'ABOUT 7 FEET LOWER THAN THE STATION MARK. LU2088' LU2088'THE AZIMUTH MARK, A STANDARD DISK STAMPED GRANITE 1920 SET LU2088'1954, SET IN A DRILL HOLE IN A BOULDER THAT PROJECTS ABOUT LU2088'2 FEET ABOVE THE GROUND ON THE SOUTH END AND ABOUT 1 FOOT LU2088'ON THE NORTH END. THE MARK IS APPROXIMATELY 120 FEET NORTH LU2088'OF THE TRAIL AT A POINT WHERE THE TRAIL FIRST CROSSES THE LU2088'TOP OF THE RIDGE. THE RIDGE AT THIS POINT IS CLEAR OF TIMBER LU2088'AND HAS THE APPEARANCE OF A SADDLE. THE MARK IS NEAR A SMALL LU2088'CAIRN WHICH IS BUILT ON THE SAME BOULDER. LU2088' LU2088'WATER CAN BE FOUND AT VARIOUS POINTS ALONG THE TRAIL BUT THE LU2088'LAST WATER IS APPROXIMATELY 1-1/2 MILES FROM THE TOP AND THE LU2088'LOOKOUT PERSONNEL USES SNOW WATER AND NO DOUBT HAS A LIMITED LU2088'SUPPLY. LU2088' LU2088'THE LOOKOUT HOUSE WAS NOT TRAVERSED TO DUE TO THE CONTOUR LU2088'OF THE RIDGE. IT WOULD HAVE BEEN IMPOSSIBLE TO MEASURE THIS LU2088'DISTANCE WITHOUT BUILDING A STRUCTURE APPROXIMATELY 20 FEET LU2088'HIGH SOME PLACE ALONG THE LINE. LU2088' LU2088'OBSERVATIONS MADE FROM A 1.3 METER TRIPOD. LU2088 LU2088 STATION RECOVERY (1961) LU2088 LU2088'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1961 (JCC) LU2088'ALL MARKS RECOVERED AS DESCRIBED AND FOUND IN GOOD CONDITION. LU2088'DUE TO ROAD CHANGES, A NEW DESCRIPTION TO REACH THE STATION LU2088'FOLLOWS-- LU2088' LU2088'TO REACH THE STATION FROM THE JUNCTION OF WEAVERVILLE, CALLAHAN LU2088'AND LEWISTON ROADS 9 MILES (BY ROAD) NORTH OF LEWISTON AND LU2088'7 MILES (BY ROAD) NORTHEAST OF WEAVERVILLE, GO NORTH ON PAVED LU2088'ROAD FOR 9.55 MILES TO A SIDE ROAD AND SIGN GRANITE PEAK LU2088'LOOKOUT ON THE LEFT. TURN LEFT AND GO WESTERLY ON GRADED LU2088'ROAD FOR 3.35 MILES TO THE END OF TRUCK TRAVEL. FROM HERE LU2088'PACK WESTERLY ON WELL MARKED FOREST SERVICE TRAIL FOR ABOUT LU2088'3 HOURS TO A LARGE ROCK OUTCROP ON THE RIGHT. THERE IS A LU2088'14-INCH PINE TREE WITH A FOREST SERVICE BLAZE ON THE LU2088'SOUTHEAST SIDE 15 FEET NORTHWEST OF THE TRAIL, THE AZIMUTH LU2088'MARK IS 105 FEET NORTHWEST OF THIS TREE. CONTINUE WESTERLY LU2088'ON THE TRAIL FOR ABOUT 1 HOUR TO THE LOOKOUT HOUSE AND THE LU2088'STATION.