National Geodetic Survey, Retrieval Date = JANUARY 30, 2015 DC1888 *********************************************************************** DC1888 DESIGNATION - BOUNDARY MON 231 MX US DC1888 PID - DC1888 DC1888 STATE/COUNTY- CA/IMPERIAL DC1888 COUNTRY - US DC1888 USGS QUAD - DC1888 DC1888 *CURRENT SURVEY CONTROL DC1888 ______________________________________________________________________ DC1888* NAD 83(1992) POSITION- 32 37 10.52771(N) 116 05 29.48364(W) ADJUSTED DC1888* NAD 83(1992) EPOCH - 1991.35 DC1888* NAVD 88 ORTHO HEIGHT - 1374.8 (meters) 4510. (feet) VERTCON DC1888 ______________________________________________________________________ DC1888 GEOID HEIGHT - -32.67 (meters) GEOID12A DC1888 LAPLACE CORR - -2.30 (seconds) DEFLEC12A DC1888 HORZ ORDER - FIRST DC1888 DC1888.The horizontal coordinates were established by classical geodetic methods DC1888.and adjusted by the National Geodetic Survey in June 1996. DC1888. DC1888.The NAVD 88 height was computed by applying the VERTCON shift value to DC1888.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DC1888 DC1888.The Laplace correction was computed from DEFLEC12A derived deflections. DC1888 DC1888. The following values were computed from the NAD 83(1992) position. DC1888 DC1888; North East Units Scale Factor Converg. DC1888;SPC CA 6 - 550,242.310 2,014,873.851 MT 1.00003128 +0 05 13.5 DC1888;SPC CA 6 - 1,805,253.31 6,610,465.29 sFT 1.00003128 +0 05 13.5 DC1888;UTM 11 - 3,609,480.314 585,229.935 MT 0.99968957 +0 29 23.1 DC1888 DC1888! - Elev Factor x Scale Factor = Combined Factor DC1888!SPC CA 6 - 0.99978932 x 1.00003128 = 0.99982059 DC1888!UTM 11 - 0.99978932 x 0.99968957 = 0.99947895 DC1888 DC1888: Primary Azimuth Mark Grid Az DC1888:SPC CA 6 - OFFSET 232 266 15 07.4 DC1888:UTM 11 - OFFSET 232 265 50 57.8 DC1888 DC1888|---------------------------------------------------------------------| DC1888| PID Reference Object Distance Geod. Az | DC1888| dddmmss.s | DC1888| DC1889 SMUGGLER 241.246 METERS 00721 | DC1888| CE8990 BOUNDARY MON 231 RM 2 10.678 METERS 07603 | DC1888| DC1894 OFFSET 232 APPROX. 5.0 KM 2662020.9 | DC1888| CE8989 BOUNDARY MON 231 RM 1 10.200 METERS 34547 | DC1888|---------------------------------------------------------------------| DC1888 DC1888 SUPERSEDED SURVEY CONTROL DC1888 DC1888 NAD 83(1986)- 32 37 10.53053(N) 116 05 29.48327(W) AD(1984.00) 1 DC1888 NAD 27 - 32 37 10.30300(N) 116 05 26.42100(W) AD( ) 1 DC1888 NGVD 29 (07/19/86) 1374.0 (m) 4508. (f) VERT ANG DC1888 DC1888.Superseded values are not recommended for survey control. DC1888 DC1888.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1888.See file dsdata.txt to determine how the superseded data were derived. DC1888 DC1888_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS8522909480(NAD 83) DC1888 DC1888_MARKER: 71 = BOUNDARY MONUMENT DC1888_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DC1888+SATELLITE: SATELLITE OBSERVATIONS - December 03, 2011 DC1888 DC1888 HISTORY - Date Condition Report By DC1888 HISTORY - 1935 FIRST OBSERVED CGS DC1888 HISTORY - 1954 GOOD CGS DC1888 HISTORY - 1976 GOOD NGS DC1888 HISTORY - 20060806 GOOD GEOCAC DC1888 HISTORY - 20111203 GOOD GEOCAC DC1888 DC1888 STATION DESCRIPTION DC1888 DC1888'DESCRIBED BY COAST AND GEODETIC SURVEY 1935 (CP) DC1888'BOUNDARY MONUMENT IS A HOLLOW CAST-IRON PYRAMID-SHAPED POST DC1888'SIX FEET HIGH. THE POST IS PAINTED WHITE AND SET ON A LARGE DC1888'CONCRETE BASE. LOCATED ON THE SUMMIT OF THE HIGHEST RIDGE DC1888'OVERLOOKING THE IMPERIAL VALLEY. ABOUT 5 MILES EAST OF JACUMBA DC1888'AND 2 MILES SOUTH OF U.S. HIGHWAY 80, 1/4 MILE SOUTHEAST DC1888'OF THE HIGHEST POINT ON THE RIDGE. THIS HIGH POINT IS STATION DC1888'SMUGGLER. DC1888' DC1888'REACHED FROM JACUMBA AS FOLLOWS--GO EAST ON U.S. HIGHWAY DC1888'80 FOR 4.0 MILES, TURN SOUTH OFF THE HIGHWAY ONTO A DIRT DC1888'ROAD. FOLLOW THIS ROAD 1 MILE TO ITS END AT A SMALL HOMESTEADERS DC1888'HOUSE. THE OLD SMUGGLER TRAIL LEADS UP THE CANYON FROM THIS DC1888'HOUSE. FOLLOW THE TRAIL 200 YARDS TO A WELL. FROM HERE DC1888'THE TRAIL LEADS NORTHEAST (LEFT) UP THE SLOPE. FOLLOW DC1888'THE TRAIL TO THE FIRST POINT WHERE THE IMPERIAL VALLEY CAN DC1888'BE SEEN, THENCE SOUTH ALONG THE RIDGE ABOUT 1 MILE TO THE DC1888'MONUMENT. DC1888 DC1888 STATION RECOVERY (1954) DC1888 DC1888'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1954 (LSB) DC1888'RECOVERED AS DESCRIBED AND IN GOOD CONDITION. THIS WAS AN DC1888'INTERSECTION STATION. DC1888 DC1888 STATION RECOVERY (1976) DC1888 DC1888'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1976 (ILC) DC1888'THE STATION WAS RECOVERED IN GOOD CONDITION. REFERENCE MARKS 1 DC1888'AND 2 WERE ESTABLISHED AT THIS TIME. TRIANGULATION STATION DC1888'SMUGGLER 1935 WAS USED AS THE AZIMUTH MARK. A NEW DESCRIPTION DC1888'FOLLOWS. DC1888' DC1888'THE STATION IS LOCATED ABOUT 1 MILE EAST OF THE SAN DIEGO COUNTY DC1888'LINE, IN T 18, S. R 9 E, NORTHWEST PORTION OF SECTION 8, ON THE DC1888'UNITED STATES-MEXICAN BOUNDARY, ABOUT 400 FEET WEST OF A RIDGE THAT DC1888'BLOCKS THE VIEW TO THE EAST, AT 4400 FEET ELEVATION (APPROXIMATE). DC1888' DC1888'TO REACH THE STATION FROM THE JACUMBA POST OFFICE, GO SOUTH 0.05 DC1888'MILE TO A CROSSROAD. TURN LEFT AND GO EAST ON OLD HIGHWAY 80 FOR DC1888'5.1 MILES TO A TRACK ROAD RIGHT, (0.15 MILE BEFORE REACHING THE DC1888'IN-KO-PAH COUNTY PARK EXIT OF INTERSTATE HIGHWAY 8). TURN RIGHT DC1888'AND GO NORTHEAST, THEN SOUTHERLY ON THE WINDING ROAD FOR 1.6 DC1888'MILES TO A FORK. KEEP RIGHT, UPHILL, SOUTH AND GO 0.1 MILE TO A DC1888'FORK. KEEP RIGHT, UPHILL, SOUTH AND GO 0.2 MILE TO A DC1888'FORK. KEEP LEFT, UPHILL, SOUTH AND GO 0.4 MILE TO A 3-WAY FORK. DC1888'KEEP RIGHT, UPHILL AND GO 0.2 MILE TO TOP OF SHARP RIDGE. TURN DC1888'SHARP LEFT AND GO EAST FOR 0.25 MILE TO A FORK. KEEP RIGHT AND DC1888'GO 0.1 MILE TO A CURVE RIGHT AND VERY DIM TRACK ROAD LEFT (END DC1888'OF 2-WHEEL DRIVE). TURN LEFT AND GO EAST ON DIM ROAD DC1888'FOR 0.2 MILE TO HEAD OF DRAW. PACK SOUTHEAST UP RIGHT SIDE OF DC1888'SLOPE, THEN SOUTHERLY TO TOP OF KNOLL AND STATION. A 25 MINUTE DC1888'PACK. DC1888' DC1888'THE STATION IS THE TOP CENTER OF A 7 FOOT HIGH METAL OBELISK, DC1888'PAINTED SILVER AND BLACK, AND MOUNTED ON A 3-FOOT SQUARE CONCRETE DC1888'BASE. DC1888' DC1888'REFERENCE MARK 1, A STANDARD DISK STAMPED BDRY MON NO 231 NO 1 DC1888'1976, IS BRAZED TO THE TOP OF A 3-INCH STEEL PIPE 2 FEET LONG THAT DC1888'PROJECTS 6 INCHES ABOVE GROUND. IT IS 25.5 FEET SOUTH OF THE DC1888'BOUNDARY FENCE. DC1888' DC1888'REFERENCE MARK 2, A STANDARD DISK STAMPED BDRY MON NO 231 NO 2 DC1888'1976, IS BRAZED TO THE TOP OF A 3-INCH STEEL PIPE 2 FEET LONG THAT DC1888'PROJECTS 8 INCHES ABOVE GROUND. IT IS 53.5 FEET SOUTH OF THE DC1888'FENCE, AND 2 FEET LOWER THAN THE CONCRETE BASE. DC1888' DC1888'SMUGGLER 1935 IS ON THE NORTH END, AND HIGHEST PART OF THE DC1888'RIDGE THAT RUNS JUST EAST OF THE STATION. SEE DESCRIPTION DC1888'THEREOF. THIS STATION WILL SERVE AS AN AZIMUTH MARK. DC1888' DC1888'HEIGHT OF LIGHT ABOVE STATION MARK 0.2 METER. DC1888' DC1888'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN DC1888'5 MILES EAST OF JACUMBA. DC1888 DC1888 STATION RECOVERY (2006) DC1888 DC1888'RECOVERY NOTE BY GEOCACHING 2006 (JER) DC1888'MARK IS HEAVILY GUARDED AND WATCHED BY THE US BORDER PATROL. DC1888 DC1888 STATION RECOVERY (2011) DC1888 DC1888'RECOVERY NOTE BY GEOCACHING 2011 (MAL) DC1888'RECOVERED IN GOOD CONDITION.