National Geodetic Survey, Retrieval Date = OCTOBER 31, 1999 EV3666 *********************************************************************** EV3666 DESIGNATION - SEVAINE EV3666 PID - EV3666 EV3666 STATE/COUNTY- CA/SAN BERNARDINO EV3666 USGS QUAD - DEVORE (1985) EV3666 EV3666 *CURRENT SURVEY CONTROL EV3666 ___________________________________________________________________ EV3666* NAD 83(1992)- 34 13 00.42428(N) 117 29 21.67806(W) ADJUSTED EV3666* NAVD 88 - 1595.3 (meters) 5234. (feet) VERTCON EV3666 ___________________________________________________________________ EV3666 EPOCH DATE - 1991.35 EV3666 LAPLACE CORR- -8.02 (seconds) DEFLEC99 EV3666 GEOID HEIGHT- -31.98 (meters) GEOID99 EV3666 EV3666 HORZ ORDER - FIRST EV3666 EV3666.The horizontal coordinates were established by classical geodetic methods EV3666.and adjusted by the National Geodetic Survey in June 1996. EV3666.The horizontal coordinates are valid at the epoch date displayed above. EV3666.The epoch date for horizontal control is a decimal equivalence EV3666.of Year/Month/Day. EV3666 EV3666.The NAVD 88 height was computed by applying the VERTCON shift value to EV3666.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) EV3666 EV3666.The Laplace correction was computed from DEFLEC99 derived deflections. EV3666 EV3666.The geoid height was determined by GEOID99. EV3666 EV3666; North East Units Scale Converg. EV3666;SPC CA 5 - 1,901,666.26 6,716,042.39 sFT 0.99996531 +0 17 27.9 EV3666;SPC CA 5 - 579,629.034 2,047,053.814 MT 0.99996531 +0 17 27.9 EV3666;UTM 11 - 3,786,301.286 454,924.044 MT 0.99962505 -0 16 30.7 EV3666 EV3666: Primary Azimuth Mark Grid Az EV3666:SPC CA 5 - SEVAINE AZ MK 237 33 39.8 EV3666:UTM 11 - SEVAINE AZ MK 238 07 38.4 EV3666 EV3666|---------------------------------------------------------------------| EV3666| PID Reference Object Distance Geod. Az | EV3666| dddmmss.s | EV3666| SEVAINE RM 1 11.837 METERS 15831 | EV3666| EV3667 SAN SEVAINE LOOKOUT HOUSE 27.350 METERS 15841 | EV3666| SEVAINE AZ MK 2375107.7 | EV3666| EV3668 SAN SEVAINE CANYON MICROWAVE APPROX. 1.1 KM 2511428.0 | EV3666| SEVAINE RM 2 19.480 METERS 25641 | EV3666|---------------------------------------------------------------------| EV3666 EV3666 SUPERSEDED SURVEY CONTROL EV3666 EV3666 NAD 83(1986)- 34 13 00.42523(N) 117 29 21.68077(W) AD(1984.00) 1 EV3666 NAD 27 - 34 13 00.38854(N) 117 29 18.50090(W) AD( ) 1 EV3666 NGVD 29 - 1594.5 (m) 5231. (f) VERT ANG EV3666 EV3666.Superseded values are not recommended for survey control. EV3666.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EV3666.See file dsdata.txt to determine how the superseded data were derived. EV3666 EV3666 HISTORY - Date Condition Recov. By EV3666 HISTORY - 1949 MONUMENTED CGS EV3666 HISTORY - 1954 MONUMENTED USE EV3666 HISTORY - 1963 MONUMENTED CGS EV3666 HISTORY - 1975 MONUMENTED NGS EV3666 EV3666 STATION DESCRIPTION EV3666 EV3666'DESCRIBED BY COAST AND GEODETIC SURVEY 1949 (JCE) EV3666'THE STATION IS ON THE EAST END OF A HIGH BRUSHY RIDGE WHICH EV3666'IS SPARSELY COVERED WITH PINE TREES ON THE NORTHERN SLOPES, EV3666'JUST NORTHWEST OF THE SAN SEVAINE LOOKOUT TOWER. 13-1/2 MILES, EV3666'AIRLINE, NORTHWEST OF SAN BERNARDINO, 11 MILES NORTHWEST OF EV3666'RIALTO, AND 9-1/2 MILES NORTHEAST OF CUCAMONGA. FROM THE EV3666'STATION THE RIDGE SLOPES GRADUALLY UPWARD TO THE WEST. EV3666' EV3666'THE STATION MARK, A STANDARD DISK CEMENTED IN A DRILL HOLE EV3666'IN A BURIED BOULDER WHICH IS 10 INCHES IN DIAMETER, FLUSH WITH EV3666'THE SURFACE OF THE GROUND, IS STAMPED SEVAINE 1949. IT IS EV3666'54 FEET EAST OF THE NORTHEAST CORNER OF A LARGE WOODEN SHED, EV3666'56.8 FEET EAST-NORTHEAST OF THE SOUTHEAST CORNER OF THE SHED, EV3666'AND 27.3 FEET NORTHWEST OF A FLAG POLE. EV3666' EV3666'REFERENCE MARK NO. 1, A STANDARD DISK WELDED ON TOP OF A 3 EV3666'INCH CAST IRON SOIL PIPE, PROJECTING 6 INCHES ABOVE THE SURFACE EV3666'OF THE GROUND, IS STAMPED SEVAINE NO 1 1949. IT IS 12 FEET EV3666'SOUTHEAST OF THE FLAG POLE. EV3666' EV3666'REFERENCE MARK NO. 2, A STANDARD DISK CEMENTED IN A DRILL EV3666'HOLE IN THE TOP OF A 10 INCH BOULDER, FLUSH WITH THE SURFACE EV3666'OF THE GROUND, ABOUT 4 FEET HIGHER IN ELEVATION THAN THE STATION EV3666'MARK, IS STAMPED SEVAINE NO 2 1949. IT IS ON THE SOUTH SIDE EV3666'OF THE SHED. EV3666' EV3666'THE AZIMUTH MARK, A STANDARD DISK CEMENTED IN A DRILL HOLE EV3666'IN THE TOP OF A 4 FOOT BOULDER, PROJECTING 5 FEET, IS STAMPED EV3666'SEVAINE 1949. IT IS 50 FEET EAST OF THE CENTER OF THE ROAD EV3666'LEADING TO THE STATION AND 10 FEET EAST OF TELEPHONE POLE EV3666'NO. 22. EV3666' EV3666'TO REACH THE STATION FROM DEVORE, A RAILROAD STATION OF THE EV3666'ATCHISON, TOPEKA, AND SANTA FE, 8 MILES NORTHWEST OF SAN EV3666'BERNARDINO AND JUST WEST OF U.S. HIGHWAY NO. 66, GO WEST ON EV3666'A PAVED ROAD 3.6 MILES TO A T-JUNCTION. TURN RIGHT AS PER EV3666'SIGN LYTLE CREEK RESORTS, GLEN RANCH, ETC AND GO 0.7 MILES EV3666'TO A GATE ON THE LEFT AND SIGN BIG TREE TRUCK TRAIL, SAN SEVAINE EV3666'L.O. ETC (KEY IS NEEDED FOR LOCKED GATE AND MAY BE PROCURED EV3666'AT THE CAJON RANGER STATION). TURN LEFT THROUGH THE GATE AND EV3666'GO UP GRADE FOR 1.1 MILES TO A FORK. KEEP STRAIGHT AHEAD EV3666'AS PER SIGN SAN SEVAINE L.O. FOR 4.8 MILES TO FORKS. TAKE EV3666'THE RIGHT FORK FOR 0.35 MILE TO A GATE. PASS THROUGH THE EV3666'GATE AND TAKE A LEFT FORK FOR 0.9 MILES TO FORKS. KEEP EV3666'STRAIGHT AHEAD FOR 0.85 MILES TO A T-JUNCTION AND SIGN SAN EV3666'SEVAINE L.O. TURN RIGHT AND GO 0.8 MILE TO THE AZIMUTH EV3666'MARK ON THE RIGHT. CONTINUE 0.4 MILE TO THE LOOKOUT AND EV3666'STATION. EV3666 EV3666 STATION RECOVERY (1954) EV3666 EV3666'RECOVERY NOTE BY US ENGINEERS 1954 EV3666'DESCRIPTION ADEQUATE. EV3666' EV3666'REFERENCE MARKS NO. 1 AND 2 WERE RECOVERED AS DESCRIBED AND EV3666'FOUND IN GOOD CONDITION. NO SEARCH WAS MADE FOR THE AZIMUTH EV3666'MARK. LINE OF SIGHT IS CLEAR IN ALL DIRECTIONS EXCEPT TO THE EV3666'WEST WHICH IS OBSTRUCTED BY BUILDINGS WHEN STATION IS OCCUPIED EV3666'WITH A T-2 TRIPOD. TOP OF MARK IS FLUSH WITH THE GROUND. EV3666 EV3666 STATION RECOVERY (1963) EV3666 EV3666'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1963 (CAA) EV3666'STATION WAS RECOVERED AND ALL MARKS WERE FOUND IN GOOD CONDITION EV3666'AND STABLE. THE DISTANCE TO THE REFERENCE MARKS CHECKED. A EV3666'SLIGHT DIFFERENCE WAS FOUND IN THE DIRECTION TO THE AZIMUTH EV3666'MARK AND REFERENCE MARK 2. A SECOND SET OF OBSERVATIONS EV3666'WERE TAKEN AND THE RESULTS MEANED. BECAUSE OF ROAD CHANGES EV3666'A COMPLETE NEW DESCRIPTION FOLLOWS. EV3666' EV3666'STATION IS LOCATED ABOUT 13 MILES NORTHWEST OF SAN BERNARDINO, EV3666'ABOUT 11 MILES NORTHWEST OF RIALTO, ABOUT 9-1/2 MILES NORTHEAST EV3666'OF CUCAMONGA AND JUST NORTHWEST OF THE SAN SEVAINE LOOKOUT EV3666'HOUSE. EV3666' EV3666'TO REACH FROM THE JUNCTION OF U.S. HIGHWAY 66, 395 AND STATE EV3666'ROUTE 138 AT CAJON JUNCTION, (WHICH IS ABOUT 20 MILES NORTH OF EV3666'SAN BERNARDINO), GO SOUTH ON U.S. HIGHWAY 66 AND 395 FOR 8.6 EV3666'MILES TO SIGN DEVORE ROAD CAJAN BOULEVARD, KEEP RIGHT OFF EV3666'U.S. HIGHWAY 66 AND GO 0.4 MILE TO DEVORE ROAD, TURN RIGHT EV3666'AND GO WESTERLY 0.25 MILE TO RAILROAD TRACKS, CONTINUE 3.3 EV3666'MILES WESTERLY ON DEVORE ROAD TO LYTLE CREEK ROAD, TURN RIGHT EV3666'AND GO NORTHERLY 0.6 MILE TO A SIDE ROAD LEFT AND SIGN SAN EV3666'SEVAINE FOREST ROAD, TURN LEFT PASSING THROUGH LOCKED GATE EV3666'ON FOREST ROAD AND CONTINUE UP GRADE FOR 1.1 MILES TO A EV3666'FORK, KEEP STRAIGHT AHEAD AT SIGN SAN SEVAINE LOOKOUT AND EV3666'CONTINUE UP STEEP GRADE FOR 4.8 MILES TO A FORK, KEEP RIGHT EV3666'AND GO 0.35 MILE TO A GATE, PASS THROUGH GATE AND TAKE LEFT EV3666'FORK FOR 0.9 MILE TO FORK, KEEP RIGHT STRAIGHT AHEAD FOR EV3666'0.85 MILE TO A T JUNCTION AND SIGN SAN SEVAINE LOOKOUT, EV3666'TURN RIGHT FOLLOWING MAIN ROAD FOR 0.8 MILE TO THE AZIMUTH EV3666'MARK ON RIGHT IN LARGE BOULDER, CONTINUE 0.4 MILE TO EV3666'LOOKOUT HOUSE AND STATION AS DESCRIBED. EV3666' EV3666'STATION MARK, A STANDARD DISK CEMENTED IN A DRILL HOLE IN A EV3666'BURRIED BOULDER WHICH PROJECTS ABOUT 2 INCHES. THE DISK IS EV3666'STAMPED SEVAINE 1949 AND IS 80 FEET NORTHWEST OF THE NORTHWEST EV3666'CORNER OF LOOKOUT HOUSE, 54 FEET EAST OF THE NORTHEAST CORNER EV3666'OF GARAGE AND 20 FEET WEST OF A PINE TREE. EV3666' EV3666'REFERENCE MARK 1, A STANDARD REFERENCE DISK STAMPED SEVAINE EV3666'NO 1 1949, IS BRAZED TO THE TOP OF A 2 INCH SOIL PIPE WHICH EV3666'PROJECTS ABOUT 6 INCHES. THE MARK IS 40.5 FEET NORTHWEST OF EV3666'THE NORTHWEST CORNER OF LOOKOUT HOUSE AND 12 FEET SOUTH-SOUTHEST EV3666'OF A FLAG POLE. EV3666' EV3666'REFERENCE MARK 2, A STANDARD REFERENCE DISK SET IN A DRILL EV3666'HOLE IN TOP OF A BURRIED BOULDER WHICH IS FLUSH WITH THE EV3666'GROUND. THE MARK IS ABOUT 4 FEET HIGHER IN ELEVATION THAN EV3666'THE STATION, 14.3 FEET EAST-SOUTHEAST OF THE SOUTHWEST CORNER EV3666'OF THE GARAGE AND 7 FEET SOUTHWEST OF THE SOUTHEAST CORNER EV3666'OF GARAGE. EV3666' EV3666'AZIMUTH MARK, A STANDARD DISK CEMENTED IN A DRILL HOLE IN THE EV3666'TOP OF A 4 FEET BOULDER, PROJECTION 5 FEET, IS STAMPED SEVAINE EV3666'1949. IT IS 50 FEET EAST OF THE CENTER OF ROAD LEADING TO EV3666'THE STATION AND 10 FEET EAST OF A SAWED OFF TELEPHONE POLE. EV3666' EV3666'FOREST RANGERS OFFICE, CAJON JUNCTION FOR KEY. EV3666' EV3666'HEIGHT OF LIGHT ABOVE STATION MARK 1 METERS. EV3666 EV3666 STATION RECOVERY (1975) EV3666 EV3666'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1975 (RH) EV3666'ALL MARKS WERE RECOVERED IN GOOD CONDITION AND AS DESCRIBED. EV3666' EV3666'THE TO REACH DESCRIPTION IS ADEQUATE. EV3666' EV3666'HEIGHT OF LIGHT ABOVE STATION MARK 5 FEET. EV3666' EV3666'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN EV3666'13.5 MILES NORTHWEST OF SAN BERNARDINO.