National Geodetic Survey, Retrieval Date = FEBRUARY 18, 2015 AA7647 *********************************************************************** AA7647 DESIGNATION - SIER RESET AA7647 PID - AA7647 AA7647 STATE/COUNTY- CA/ORANGE AA7647 COUNTRY - US AA7647 USGS QUAD - BLACK STAR CANYON (1988) AA7647 AA7647 *CURRENT SURVEY CONTROL AA7647 ______________________________________________________________________ AA7647* NAD 83(1992) POSITION- 33 51 00.53591(N) 117 39 13.29243(W) ADJUSTED AA7647* NAD 83(1992) EPOCH - 1991.35 AA7647* NAVD 88 ORTHO HEIGHT - 928.95 (+/-2cm) 3047.7 (feet) VERTCON AA7647 ______________________________________________________________________ AA7647 GEOID HEIGHT - -33.86 (meters) GEOID12A AA7647 LAPLACE CORR - 5.78 (seconds) DEFLEC12A AA7647 HORZ ORDER - FIRST AA7647 VERT ORDER - THIRD ? (See Below) AA7647 AA7647.The horizontal coordinates were established by classical geodetic methods AA7647.and adjusted by the National Geodetic Survey in June 1996. AA7647. AA7647.The NAVD 88 height was computed by applying the VERTCON shift value to AA7647.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) AA7647 AA7647.The vertical order pertains to the NGVD 29 superseded value. AA7647 AA7647.The Laplace correction was computed from DEFLEC12A derived deflections. AA7647 AA7647. The following values were computed from the NAD 83(1992) position. AA7647 AA7647; North East Units Scale Factor Converg. AA7647;SPC CA 6 - 687,581.509 1,870,097.536 MT 0.99999462 -0 46 16.9 AA7647;SPC CA 6 - 2,255,840.33 6,135,478.33 sFT 0.99999462 -0 46 16.9 AA7647;UTM 11 - 3,745,733.146 439,526.631 MT 0.99964508 -0 21 50.9 AA7647 AA7647! - Elev Factor x Scale Factor = Combined Factor AA7647!SPC CA 6 - 0.99985950 x 0.99999462 = 0.99985412 AA7647!UTM 11 - 0.99985950 x 0.99964508 = 0.99950463 AA7647 AA7647: Primary Azimuth Mark Grid Az AA7647:SPC CA 6 - SIER RM 3 AZIMUTH 122 57 02.9 AA7647:UTM 11 - SIER RM 3 AZIMUTH 122 32 36.9 AA7647 AA7647|---------------------------------------------------------------------| AA7647| PID Reference Object Distance Geod. Az | AA7647| dddmmss.s | AA7647| DX4279 CALIF INSTITUTE FOR WOMEN TANK APPROX.10.9 KM 0083812.4 | AA7647| DX4219 CORONA US NAVAL HOSPITAL STACK APPROX.11.9 KM 0414256.5 | AA7647| DX4211 CORONA EXCH LEMON PROD CO TANK APPROX. 9.4 KM 0680152.1 | AA7647| DX4231 CORONA FIRST BAPT CH SPIRE APPROX. 8.4 KM 0715944.2 | AA7647| CC3821 SIER RM 3 AZIMUTH 1221046.0 | AA7647| DX2176 SIER RM 1 13.901 METERS 15530 | AA7647| DX2177 SIER RM 2 13.691 METERS 24413 | AA7647| DX4271 SIER ECC 16.938 METERS 30513 | AA7647| DX4245 SIERRA PK YELLOW CAB MICROWAVE 24.208 METERS 33944 | AA7647| DX4269 SIERRA PK MOTOROLA MAST 15.167 METERS 34104 | AA7647| CC3822 SIER RM 4 15.028 METERS 34815 | AA7647| DX4277 CHINO CALIF INST FOR MEN STACK APPROX.15.5 KM 3502505.2 | AA7647| DX4284 CHINO CALIF INST FOR MEN TANK APPROX.16.2 KM 3534305.8 | AA7647|---------------------------------------------------------------------| AA7647 AA7647 SUPERSEDED SURVEY CONTROL AA7647 AA7647 NAD 83(1986)- 33 51 00.53558(N) 117 39 13.29267(W) AD( ) 1 AA7647 NGVD 29 (07/19/86) 928.17 (m) 3045.2 (f) LEVELING 3 AA7647 AA7647.Superseded values are not recommended for survey control. AA7647 AA7647.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AA7647.See file dsdata.txt to determine how the superseded data were derived. AA7647 AA7647_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SMT3952645733(NAD 83) AA7647 AA7647_MARKER: DS = TRIANGULATION STATION DISK AA7647_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AA7647_SP_SET: IN A DRILL HOLE IN ROCK LEDGE AA7647_STAMPING: SIER 1928 1973 AA7647_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AA7647+STABILITY: SURFACE MOTION AA7647_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AA7647+SATELLITE: SATELLITE OBSERVATIONS - March 12, 2005 AA7647 AA7647 HISTORY - Date Condition Report By AA7647 HISTORY - 1973 MONUMENTED NGS AA7647 HISTORY - 1976 GOOD CADT AA7647 HISTORY - 20050312 GOOD GEOCAC AA7647 AA7647 STATION DESCRIPTION AA7647 AA7647'DESCRIBED BY NATIONAL GEODETIC SURVEY 1973 (JLC) AA7647'THE SURFACE STATION MARK DISK WAS NOT RECOVERED, HOWEVER THE AA7647'UNDERGROUND DISK WAS FOUND AND NEW UNDERGROUND AND SURFACE AA7647'MARK DISKS WERE SET AT THIS TIME. REFERENCE MARK 2 WAS NOT AA7647'RECOVERED. REFERENCE MARKS 1 AND 3 WERE RECOVERED IN GOOD AA7647'CONDITION AND REFERENCE MARK 4 WAS ESTABLISHED AT THIS TIME. AA7647'A NEW AND COMPLETE DESCRIPTION FOLLOWS. AA7647' AA7647'THE STATION IS LOCATED ABOUT 9 MILES EAST-SOUTHEAST OF YORBA AA7647'LINDA, 9 MILES EAST-NORTHEAST OF VILLA PARK AND 5 MILES AA7647'SOUTHWEST OF CORONA ON A HIGH PEAK WHICH IS LOCALLY KNOWN AS AA7647'SIERRA PEAK. IT IS ON THE PROPERTY OF THE U.S. FOREST SERVICE AA7647'AND IN THE SW 1/4 SEC 6, T4S, R7W. AA7647' AA7647'TO REACH THE STATION FROM THE INTERSECTION OF MAIN STREET AA7647'AND SIXTH STREET IN CORONA, GO WEST ON SIXTH STREET FOR 0.85 AA7647'MILE TO A CROSSROAD, TURN LEFT AND GO SOUTH ON LINCOLN AVENUE AA7647'FOR 2.4 MILES TO A SIDE ROAD ON THE RIGHT. TURN RIGHT AND GO AA7647'WEST ON CHASE DRIVE FOR 0.6 MILE TO A FORK, TAKE THE LEFT AA7647'FORK AND GO UP THE MOUNTAIN ON THE MAIN ROAD FOR 5.15 MILES AA7647'TO A GATE, PASS THROUGH THE GATE AND CONTINUE FOR 0.15 MILE AA7647'TO A FORK, KEEP THE RIGHT FORK, PASSING THROUGH A GATE, FOR AA7647'2.0 MILES TO THE TOP OF A LOW RIDGE AND REFERENCE MARK 3 ON AA7647'THE RIGHT. CONTINUE UPHILL FOR 0.55 MILE TO THE TOP OF AA7647'THE MOUNTAIN AND THE STATION ON THE LEFT. AA7647' AA7647'THE STATION MARK IS A STANDARD DISK STAMPED SIER 1928 1973, AA7647'SET IN THE TOP OF A 12-INCH ROUND CONCRETE POST WHICH IS AA7647'FLUSH WITH THE GROUND SURFACE. IT IS 73-1/2 FEET SOUTH OF AA7647'A GREEN BLOCK BUILDING, 53 FEET EAST OF THE APPROXIMATE CENTER AA7647'OF THE TRACK ROAD AND 3.9 FEET EAST OF A METAL WITNESS POST. AA7647'THE UNDERGROUND DISK IS SET 36 INCHES BELOW THE GROUND SURFACE. AA7647' AA7647'REFERENCE MARK 1 IS A STANDARD DISK STAMPED SIER 1928 NO 1 AA7647'1933, CEMENTED IN A DRILL HOLE IN THE TOP OF A TWO FOOT AA7647'SQUARE BOULDER WHICH IS FLUSH WITH THE GROUND SURFACE. IT AA7647'IS 54 FEET EAST OF THE CENTER OF THE TRACK ROAD AND 47.3 AA7647'FEET SOUTH OF A METAL WITNESS POST. AA7647' AA7647'REFERENCE MARK 4 IS A STANDARD DISK STAMPED SIER 1928 NO 4 AA7647'1973, CEMENTED IN A DRILL HOLE IN THE TOP OF THE CONCRETE AA7647'BASE FOR THE MOST EASTERN LEG OF A THREE LEGGED RELAY MAST. AA7647'IT IS 49-1/2 FEET NORTH OF A METAL WITNESS POST AND 24 FEET AA7647'SOUTH OF THE GREEN BLOCK BUILDING. AA7647' AA7647'REFERENCE MARK 3 IS A STANDARD DISK STAMPED, NO 3 SIER 1928 AA7647'1933, CEMENTED IN A DRILL HOLE IN THE TOP OF A LARGE BOULDER AA7647'WHICH PROJECTS ABOUT 4 INCHES ABOVE THE GROUND SURFACE. IT AA7647'IS 59 FEET EAST OF THE CENTER OF THE TRACK ROAD AND 1.5 FEET AA7647'SOUTHWEST OF A METAL WITNESS POST. AA7647' AA7647'HEIGHT OF LIGHT ABOVE STATION MARK 5 FEET. AA7647' AA7647'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--5 MILES AA7647'SOUTHWEST OF CORONA AA7647 AA7647 STATION RECOVERY (1976) AA7647 AA7647'RECOVERY NOTE BY CALTRANS 1976 (ARA) AA7647'THE STATION MARK, REFERENCE MARKS NO 1, NO 3 AND NO 4 WERE RECOVERED AA7647'IN GOOD CONDITION AS DESCRIBED. AA7647 AA7647 STATION RECOVERY (2005) AA7647 AA7647'RECOVERY NOTE BY GEOCACHING 2005 (LJK) AA7647'STATION MARK, RM1 AND RM4 RECOVERED AS DESCRIBED. RM3 (AZIMUTH MARK) AA7647'NOT FOUND AS DESRIBED, BUT IN THE DESCRIBED LOCATION OF RM3 AN ORANGE AA7647'COUNTY SURVEYOR DISC MARKED '3R-78-71' WAS FOUND.