National Geodetic Survey, Retrieval Date = JANUARY 18, 2005 MX1128 *********************************************************************** MX1128 DESIGNATION - LOWER DEVILS MX1128 PID - MX1128 MX1128 STATE/COUNTY- CA/SISKIYOU MX1128 USGS QUAD - KANGAROO MOUNTAIN (1996) MX1128 MX1128 *CURRENT SURVEY CONTROL MX1128 ___________________________________________________________________ MX1128* NAD 83(1992)- 41 52 30.61759(N) 123 12 06.07228(W) ADJUSTED MX1128* NAVD 88 - 1549.6 (meters) 5084. (feet) VERTCON MX1128 ___________________________________________________________________ MX1128 EPOCH DATE - 1991.35 MX1128 LAPLACE CORR- 3.36 (seconds) DEFLEC99 MX1128 GEOID HEIGHT- -24.53 (meters) GEOID03 MX1128 MX1128 HORZ ORDER - THIRD MX1128 MX1128.The horizontal coordinates were established by classical geodetic methods MX1128.and adjusted by the National Geodetic Survey in March 1994. MX1128.The horizontal coordinates are valid at the epoch date displayed above. MX1128.The epoch date for horizontal control is a decimal equivalence MX1128.of Year/Month/Day. MX1128 MX1128.The NAVD 88 height was computed by applying the VERTCON shift value to MX1128.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) MX1128 MX1128.The Laplace correction was computed from DEFLEC99 derived deflections. MX1128 MX1128.The geoid height was determined by GEOID03. MX1128 MX1128; North East Units Scale Factor Converg. MX1128;SPC CA 1 - 782,941.295 1,900,242.171 MT 1.00005965 -0 47 08.8 MX1128;SPC CA 1 - 2,568,699.90 6,234,377.86 sFT 1.00005965 -0 47 08.8 MX1128;UTM 10 - 4,635,936.479 483,264.175 MT 0.99960345 -0 08 04.7 MX1128 MX1128! - Elev Factor x Scale Factor = Combined Factor MX1128!SPC CA 1 - 0.99976085 x 1.00005965 = 0.99982049 MX1128!UTM 10 - 0.99976085 x 0.99960345 = 0.99936440 MX1128 MX1128: Primary Azimuth Mark Grid Az MX1128:SPC CA 1 - LOWER DEVILS AZ MK 168 45 28.5 MX1128:UTM 10 - LOWER DEVILS AZ MK 168 06 24.4 MX1128 MX1128|---------------------------------------------------------------------| MX1128| PID Reference Object Distance Geod. Az | MX1128| dddmmss.s | MX1128| CD8816 LOWER DEVILS RM 1 5.490 METERS 09502 | MX1128| MX1129 LOWER DEVILS LOOKOUT HOUSE 57.457 METERS 12507 | MX1128| MX1140 LAKE MTN LOOKOUT HOUSE APPROX.15.2 KM 1580333.4 | MX1128| CD8815 LOWER DEVILS AZ MK 1675819.7 | MX1128| CD8817 LOWER DEVILS RM 2 5.948 METERS 23555 | MX1128|---------------------------------------------------------------------| MX1128 MX1128 SUPERSEDED SURVEY CONTROL MX1128 MX1128 NAD 83(1991)- 41 52 30.61496(N) 123 12 06.07921(W) AD(1984.00) 3 MX1128 NAD 83(1986)- 41 52 30.61451(N) 123 12 06.07952(W) AD(1984.00) 3 MX1128 NAD 27 - 41 52 31.16020(N) 123 12 01.89960(W) AD( ) 3 MX1128 NGVD 29 (07/19/86) 1548.6 (m) 5081. (f) VERT ANG MX1128 MX1128.Superseded values are not recommended for survey control. MX1128.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MX1128.See file dsdata.txt to determine how the superseded data were derived. MX1128 MX1128_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDM8326435936(NAD 83) MX1128_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION MX1128_SETTING: 66 = SET IN ROCK OUTCROP MX1128 MX1128 HISTORY - Date Condition Report By MX1128 HISTORY - 1952 MONUMENTED CGS MX1128 HISTORY - 1974 SEE DESCRIPTION USGS MX1128 MX1128 STATION DESCRIPTION MX1128 MX1128'DESCRIBED BY COAST AND GEODETIC SURVEY 1952 (WRH) MX1128'THE STATION IS LOCATED ON WHAT IS LOCALLY KNOWN AS LOWER MX1128'DEVILS RIDGE. IT IS LOCATED AIRLINE ABOUT 3 MILES NORTH OF MX1128'SEIAD VALLEY AND ABOUT 9 MILES NORTHEAST OF HAPPY CAMP. MX1128' MX1128'THE STATION IS A STANDARD DISK STAMPED LOWER DEVILS 1952 MX1128'SET IN A DRILL HOLE IN AN OUTCROPPING OF BEDROCK WHICH PROJECTS MX1128'ABOUT 8 INCHES ABOVE THE GROUND. MX1128' MX1128'REFERENCE MARK NUMBER ONE IS A STANDARD DISK STAMPED LOWER MX1128'DEVILS NO 1 1952 SET IN A DRILL HOLE IN AN OUTCROPPING OF MX1128'BEDROCK WHICH IS ABOUT FLUSH WITH THE SURROUNDING SURFACE AND MX1128'IS ABOUT 2 FEET LOWER THAN THE STATION. MX1128' MX1128'REFERENCE MARK NUMBER TWO IS A STANDARD DISK STAMPED LOWER MX1128'DEVILS NO 2 1952 SET IN A DRILL HOLE IN AN OUTCROPPING OF MX1128'BEDROCK WHICH PROJECTS ABOUT 2 INCHES ABOVE THE GROUND AND MX1128'IS ABOUT 4 FEET LOWER THAN THE STATION. MX1128' MX1128'LOWER DEVILS LOOKOUT HOUSE IS A STANDARD TWO STORY, 14-FOOT MX1128'SQUARE BUILDING WHICH IS 25 FEET HIGH AND IS PAINTED GRAY. MX1128'THE PEAK OF THE ROOF WAS THE POINT OF OBSERVATION. MX1128' MX1128'THE AZIMUTH MARK IS A STANDARD DISK STAMPED LOWER DEVILS MX1128'1952 SET IN A DRILL HOLE IN A BOULDER WHICH IS ABOUT FLUSH MX1128'WITH THE GROUND. IT IS 12 FEET WEST-NORTHWEST OF A FENCE MX1128'CORNER, 4 FEET NORTH OF A WHITE WITNESS POST, AND 50 FEET MX1128'NORTH-NORTHEAST OF THE CENTER LINE OF A PAVED ROAD. MX1128' MX1128'TO REACH THE STATION FROM THE POST OFFICE IN SEIAD VALLEY, MX1128'GO WEST ON THE PAVED ROAD TOWARD HAPPY CAMP FOR 0.2 MILE TO MX1128'A WHITE WITNESS POST ON THE RIGHT, NORTH-NORTHEAST, AND THE MX1128'AZIMUTH MARK. CONTINUE STRAIGHT AHEAD, WEST, ON THE PAVED MX1128'ROAD FOR 0.2 MILE TO A SIDE ROAD, RIGHT, JUST AFTER PASSING MX1128'OVER A SMALL BRIDGE. THIS IS OPPOSITE THE WILDWOOD COURT. MX1128'TURN RIGHT, NORTH, PASSING TO THE RIGHT OF SOME CABINS, AND MX1128'FOLLOW THE DIRT SIDE ROAD FOR ABOUT 100 YARDS TO THE END MX1128'OF TRUCK TRAVEL. PACK WEST AND NORTHWESTERLY UP THE GOOD MX1128'TRAIL FOR ABOUT 5-1/2 MILES TO THE LOWER DEVILS LOOKOUT MX1128'HOUSE AND THE STATION. THIS IS ABOUT A 3-1/2 HOUR PACK. MX1128' MX1128'HEIGHT OF LIGHT ABOVE STATION MARK 1.38 METERS. MX1128 MX1128 STATION RECOVERY (1974) MX1128 MX1128'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1974 (JJH) MX1128'TO REACH THE STATION FROM THE GENERAL STORE IN SEIAD VALLEY, MX1128'GO WEST ON STATE HIGHWAY 96 ABOUT 0.8 MILE TO BEGINNING OF MX1128'TRAIL LEADING TO LOWER DEVILS LOOKOUT. PACK NORTHWARD ON MX1128'TRAIL TO LOOKOUT AND STATION. THIS IS A 3-1/2 HOUR PACK.