National Geodetic Survey, Retrieval Date = SEPTEMBER 23, 2002 MX1220 *********************************************************************** MX1220 DESIGNATION - BIG HILL MX1220 PID - MX1220 MX1220 STATE/COUNTY- CA/HUMBOLDT MX1220 USGS QUAD - HOOPA (1979) MX1220 MX1220 *CURRENT SURVEY CONTROL MX1220 ___________________________________________________________________ MX1220* NAD 83(1992)- 41 05 51.52730(N) 123 38 09.20874(W) ADJUSTED MX1220* NAVD 88 - 1092.1 (meters) 3583. (feet) VERTCON MX1220 ___________________________________________________________________ MX1220 EPOCH DATE - 1991.35 MX1220 LAPLACE CORR- 16.98 (seconds) DEFLEC99 MX1220 GEOID HEIGHT- -27.59 (meters) GEOID99 MX1220 MX1220 HORZ ORDER - SECOND MX1220 MX1220.The horizontal coordinates were established by classical geodetic methods MX1220.and adjusted by the National Geodetic Survey in March 1994. MX1220.The horizontal coordinates are valid at the epoch date displayed above. MX1220.The epoch date for horizontal control is a decimal equivalence MX1220.of Year/Month/Day. MX1220 MX1220.The NAVD 88 height was computed by applying the VERTCON shift value to MX1220.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) MX1220 MX1220.The Laplace correction was computed from DEFLEC99 derived deflections. MX1220 MX1220.The geoid height was determined by GEOID99. MX1220 MX1220; North East Units Scale Converg. MX1220;SPC CA 1 - 697,188.313 1,862,588.332 MT 0.99990511 -1 04 10.9 MX1220;SPC CA 1 - 2,287,358.66 6,110,841.89 sFT 0.99990511 -1 04 10.9 MX1220;UTM 10 - 4,549,791.634 446,599.419 MT 0.99963510 -0 25 04.8 MX1220 MX1220: Primary Azimuth Mark Grid Az MX1220:SPC CA 1 - BIG HILL AZ MK 139 20 12.1 MX1220:UTM 10 - BIG HILL AZ MK 138 41 06.0 MX1220 MX1220|---------------------------------------------------------------------| MX1220| PID Reference Object Distance Geod. Az | MX1220| dddmmss.s | MX1220| MX1219 BIG HILL LOOKOUT HOUSE 1961 7.401 METERS 02703 | MX1220| CD9064 BIG HILL RM 1 5.173 METERS 13256 | MX1220| CD9063 BIG HILL AZ MK 1381601.2 | MX1220| CD9065 BIG HILL RM 2 2.946 METERS 35135 | MX1220|---------------------------------------------------------------------| MX1220 MX1220 SUPERSEDED SURVEY CONTROL MX1220 MX1220 NAD 83(1986)- 41 05 51.51610(N) 123 38 09.22130(W) AD(1984.00) 2 MX1220 NAD 27 - 41 05 52.05300(N) 123 38 05.01720(W) AD( ) 2 MX1220 NGVD 29 - 1091.1 (m) 3580. (f) VERT ANG MX1220 MX1220.Superseded values are not recommended for survey control. MX1220.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MX1220.See file dsdata.txt to determine how the superseded data were derived. MX1220 MX1220_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION MX1220_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT MX1220 MX1220 HISTORY - Date Condition Report By MX1220 HISTORY - 1961 MONUMENTED CGS MX1220 HISTORY - 1976 GOOD CADT MX1220 MX1220 STATION DESCRIPTION MX1220 MX1220'DESCRIBED BY COAST AND GEODETIC SURVEY 1961 (JCC) MX1220'THE STATION IS ABOUT 8 MILES SOUTHEAST OF WEITCHPEC, 4 MILES MX1220'NORTHEAST OF HOOPA, IN THE HOOPA INDIAN RESERVATION AND ON THE MX1220'SUMMIT OF BIG HILL MOUNTAIN WHICH IS THE HIGHEST POINT IN THE MX1220'IMMEDIATE VICINITY AND OCCUPIED BY THE BIG HILL LOOKOUT HOUSE. MX1220' MX1220'TO REACH THE STATION FROM THE NORTH END OF THE BRIDGE SPANNING MX1220'THE TRINITY RIVER IN HOOPA, GO NORTHERLY ON U.S. HIGHWAY 299 MX1220'FOR 1.4 MILES TO A SIDE ROAD ON THE RIGHT AT A SIGN BIG HILL ROAD. MX1220'TURN RIGHT AND GO EASTERLY ON BIG HILL ROAD FOR 5.7 MILES MX1220'TO THE AZIMUTH MARK ON THE RIGHT. CONTINUE ON BIG HILL ROAD FOR MX1220'0.4 MILE TO THE TOP OF A GRADE AT A SIGN BIG HILL L.O. TURN MX1220'SHARP LEFT AND GO NORTHWEST UP GRADE FOR 1.5 MILES TO THE MX1220'LOOKOUT AND THE STATION. MX1220' MX1220'THE STATION MARKS ARE STANDARD DISKS STAMPED BIG HILL 1961. MX1220'THE SURFACE MARK IS SET IN THE TOP OF A 10-INCH SQUARE CONCRETE MX1220'POST PROJECTING 2 INCHES. IT IS 35 FEET WEST OF THE SOUTHWEST MX1220'CORNER OF THE LOOKOUT HOUSE AND 12.2 FEET SOUTH OF THE SOUTHWEST MX1220'CORNER OF THE PORCH. THE UNDERGROUND MARK IS SET IN AN IRREGULAR MX1220'MASS OF CONCRETE 30 INCHES BELOW THE GROUND SURFACE. MX1220' MX1220'REFERENCE MARK 1 IS A STANDARD TRIANGULATION STATION DISK STAMPED MX1220'BIG HILL R.M. NO 1 1961, SET IN THE TOP OF A 10-INCH SQUARE MX1220'CONCRETE POST PROJECTING 4 INCHES. IT IS 10.6 FEET SOUTH-SOUTHWEST MX1220'OF THE SOUTHEAST CORNER OF THE HOUSE, 14.2 FEET SOUTHEAST OF MX1220'THE SOUTHWEST CORNER OF THE HOUSE AND ABOUT 1 FOOT LOWER THAN THE MX1220'STATION. MX1220' MX1220'REFERENCE MARK 2 IS A STANDARD DISK STAMPED BIG HILL NO 2 1961, MX1220'SET IN THE TOP OF A 10-INCH SQUARE CONCRETE POST PROJECTING MX1220'5 INCHES. IT IS 2.8 FEET SOUTH-SOUTHWEST OF THE SOUTHWEST CORNER MX1220'OF THE PORCH, 11.2 FEET NORTH-NORTHWEST OF THE SOUTHWEST CORNER MX1220'OF THE HOUSE AND AT ABOUT THE SAME ELEVATION AS THE STATION. MX1220' MX1220'THE AZIMUTH MARK IS A STANDARD DISK STAMPED BIG HILL 1953, MX1220'SET IN THE TOP OF A 12-INCH SQUARE CONCRETE POST PROJECTING MX1220'4 INCHES. IT IS 1.5 FEET EAST OF A WITNESS POST, 48 FEET MX1220'SOUTH OF THE CENTERLINE OF THE ROAD AND NEAR THE SOUTH END OF A MX1220'DRIVE OUT AT A CURVE IN THE ROAD. MX1220 MX1220 STATION RECOVERY (1976) MX1220 MX1220'RECOVERY NOTE BY CALTRANS 1976 (GAA) MX1220'FOUND THE STATION, ITS RMS AND ITS AZ. MK. IN GOOD CONDITION AS MX1220'DESCRIBED. ACCESS THROUGH THE LOCKED GATE ACROSS THE LOOKOUT ROAD MX1220'IS OBTAINABLE FROM THE BUREAU OF INDIAN AFFAIRS FORESTRY OFFICE MX1220'IN HOOPA. MX1220' MX1220'CHANGES IN THE LOOKOUT BUILDING AND OTHER CONDITIONS NECESSITATE MX1220'THE FOLLOWING NEW DESCRIPTIONS-- MX1220' MX1220'THE STATION SURFACE MARK IS 3.5 FEET WLY FROM THE SW CORNER OF THE MX1220'L.O. BUILDING AND PROJECTS 0.5 FEET. MX1220' MX1220'R.M. NO. 1 IS 4.5 FEET AND 5.5 FEET FROM THE SW AND SE CORNERS, MX1220'RESPECTIVELY, OF A 6 FOOT X 6 FOOT SLY EXTENSION OF THE L.O. MX1220'BUILDING AND PROJECTS 0.5 FEET. MX1220' MX1220'R.M. NO. 2 IS 11.1 FEET NNW FROM THE SW CORNER OF THE L.O. BLDG., MX1220'6.2 FEET WLY FROM THE SIDE OF THE BLDG. AND PROJECTS 0.3 FEET. MX1220' MX1220'THE AZ. MK. IS OBSCURED BY TREES. MX1220' MX1220'A USGS R.M. NO. 3 IS 7.9 FEET E OF THE NE CORNER OF THE BUILDING. MX1220' MX1220'NEAREST TOWN (DIST. AND DIR.) 4 MI. NE OF HOOPA.