National Geodetic Survey, Retrieval Date = JULY 29, 2007 KT1930 *********************************************************************** KT1930 DESIGNATION - KENT RESET KT1930 PID - KT1930 KT1930 STATE/COUNTY- CA/TEHAMA KT1930 USGS QUAD - RILEY RIDGE (1973) KT1930 KT1930 *CURRENT SURVEY CONTROL KT1930 ___________________________________________________________________ KT1930* NAD 83(1992)- 39 58 00.25406(N) 122 44 17.29519(W) ADJUSTED KT1930* NAVD 88 - 2031.11 (+/-2cm) 6663.7 (feet) VERTCON KT1930 ___________________________________________________________________ KT1930 EPOCH DATE - 1991.35 KT1930 LAPLACE CORR- -8.69 (seconds) DEFLEC99 KT1930 GEOID HEIGHT- -27.77 (meters) GEOID03 KT1930 KT1930 HORZ ORDER - FIRST KT1930 VERT ORDER - THIRD ? (See Below) KT1930 KT1930.The horizontal coordinates were established by classical geodetic methods KT1930.and adjusted by the National Geodetic Survey in March 1994. KT1930.The horizontal coordinates are valid at the epoch date displayed above. KT1930.The epoch date for horizontal control is a decimal equivalence KT1930.of Year/Month/Day. KT1930 KT1930.The NAVD 88 height was computed by applying the VERTCON shift value to KT1930.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) KT1930.The vertical order pertains to the NGVD 29 superseded value. KT1930 KT1930.The Laplace correction was computed from DEFLEC99 derived deflections. KT1930 KT1930.The geoid height was determined by GEOID03. KT1930 KT1930; North East Units Scale Factor Converg. KT1930;SPC CA 1 - 570,598.974 1,936,937.221 MT 1.00000854 -0 28 57.6 KT1930;SPC CA 1 - 1,872,040.13 6,354,768.20 sFT 1.00000854 -0 28 57.6 KT1930;UTM 10 - 4,424,098.215 522,363.356 MT 0.99960616 +0 10 05.5 KT1930 KT1930! - Elev Factor x Scale Factor = Combined Factor KT1930!SPC CA 1 - 0.99968582 x 1.00000854 = 0.99969436 KT1930!UTM 10 - 0.99968582 x 0.99960616 = 0.99929210 KT1930 KT1930|---------------------------------------------------------------------| KT1930| PID Reference Object Distance Geod. Az | KT1930| dddmmss.s | KT1930| DB5282 KENT RM 1 5.024 METERS 03238 | KT1930| LT0687 LASSEN PEAK 0604313.8 | KT1930| KT1826 TABLE MOUNTAIN APPROX.22.2 KM 0830701.2 | KT1930| KT1801 CORNING TOWER APPROX.47.9 KM 0950129.8 | KT1930| DB5283 KENT RM 2 70.162 METERS 10548 | KT1930| KT1929 EAGLE PEAK LOOKOUT TOWER APPROX. 9.3 KM 1180549.9 | KT1930| KT1931 ROUND MTN RAD STA KPAY HSL MST APPROX. 8.0 KM 1333619.8 | KT1930| KT1887 MOUNT SAINT JOHN APPROX.59.3 KM 1761446.2 | KT1930| DB5284 KENT RM 3 49.667 METERS 18513 | KT1930| DB5308 KENT RM LBL 28353 | KT1930| LU2028 SOUTH YOLLA BOLLY TARGET APPROX.12.6 KM 3080240.4 | KT1930|---------------------------------------------------------------------| KT1930 KT1930 SUPERSEDED SURVEY CONTROL KT1930 KT1930 NAD 83(1986)- 39 58 00.25055(N) 122 44 17.27764(W) AD(1984.00) 1 KT1930 NAD 27 - 39 58 00.69462(N) 122 44 13.27166(W) AD( ) 1 KT1930 NGVD 29 (07/19/86) 2030.04 (m) 6660.2 (f) LEVELING 3 KT1930 KT1930.Superseded values are not recommended for survey control. KT1930.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. KT1930.See file dsdata.txt to determine how the superseded data were derived. KT1930 KT1930_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEK2236324098(NAD 83) KT1930 KT1930 HISTORY - Date Condition Report By KT1930 HISTORY - 1904 MONUMENTED CGS KT1930 HISTORY - 1939 SEE DESCRIPTION CGS KT1930 HISTORY - 1944 SEE DESCRIPTION CGS KT1930 HISTORY - 1951 SEE DESCRIPTION USGS KT1930 HISTORY - 1965 SEE DESCRIPTION CGS KT1930 KT1930 STATION DESCRIPTION KT1930 KT1930'DESCRIBED BY COAST AND GEODETIC SURVEY 1904 (OBF) KT1930'ABOUT 18 MILES NORTHWEST OF PASKENTA, ABOUT 9 MILES EAST BY KT1930'SOUTH OF MOUNT LINN, ON PEAK KNOWN LOCALLY AS BALD ROCK, KT1930'ON LEDGE ON EAST SIDE OF SUMMIT, AND ABOUT 8 OR 9 FEET LOWER KT1930'THAN HIGHEST PART. THERE IS A LARGE, PROMINENT, ROCKY KNOB KT1930'ABOUT 500 FEET WEST OF AND 50 OR 60 FEET LOWER THAN STATION. KT1930'MARKED BY OLD-TYPE STATION DISK (SEE FIG. 6) AND COPPER KT1930'BOLT IN ROCK. REFERENCE MARKS ARE COPPER BOLTS IN ROCKS KT1930'AT FOLLOWING DISTANCES AND AZIMUTHS FROM STATION--5.01 METERS KT1930'(16.4 FEET), 212 DEG 40 MIN. 70.19 METERS (230.3 FEET), KT1930'285 DEG 50 MIN. AND 47.72 METERS (156.6 FEET), 5 DEG 17 KT1930'MIN. IN 1933 ALL THREE REFERENCE MARKS WERE RECOVERED BY KT1930'THE U.S. GEOLOGICAL SURVEY AND CONNECTED TO A THIRD-ORDER KT1930'LEVEL LINE. A FIRE LOOKOUT HOUSE HAD BEEN BUILT OVER KT1930'ROCK ON WHICH STATION WAS LOCATED, AND STATION WAS KT1930'THOUGHT TO HAVE BEEN DESTROYED BY BLASTING OFF TOP OF ROCK. KT1930 KT1930 STATION RECOVERY (1939) KT1930 KT1930'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1939 (FGJ) KT1930'THE STATION SITE WAS REACHED AS DESCRIBED. KT1930' KT1930'THE FIRE LOOKOUT HOUSE THAT WAS BUILT OVER THE STATION HAS KT1930'BEEN TORN DOWN SINCE THE STATION WAS LAST VISITED, AND PART OF THE KT1930'ROCK ON WHICH THE STATION WAS LOCATED HAS BEEN REMOVED. A KT1930'THOROUGH SEARCH WAS MADE FOR THE STATION MARK BUT IT WAS KT1930'NOT RECOVERED. REFERENCE MARKS WERE RECOVERED IN GOOD CONDITION. KT1930' KT1930'THE REFERENCE MARK LISTED AS BEING 5.01 METERS DISTANT AND KT1930'IN AZIMUTH 212 DEG 40 MIN FROM THE STATION WAS AN ECCENTRIC KT1930'STATION FROM WHICH A LIGHT WAS SHOWN TO STATIONS ROUND AND KT1930'BALLY. THE ECCENTRIC REDUCTION WAS COMPUTED, USING THE KT1930'DATA GIVEN IN DESCRIPTION OF O.B.F., 1904, ABOVE AND A KT1930'SATISFACTORY TRIANGLE CLOSURE RESULTED. KT1930 KT1930 STATION RECOVERY (1944) KT1930 KT1930'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1944 KT1930'OFFICE MEMO FROM FOREST SERVICE, WASHINGTON, D.C., DATED KT1930'DECEMBER 16, 1944-- KT1930' KT1930'THE FOLLOWING INFORMATION HAS BEEN RECEIVED FROM THE REGIONAL KT1930'FORESTER AT SAN FRANCISCO CONCERNING TRIANGULATION STATION KT1930'KENT IN CALIFORNIA-- KT1930' KT1930'STATION WAS REPORTED DESTROYED BY THE U.S.C. AND G.S. IN 1939. KT1930'DURING THE SEASON OF 1944, ONE OF OUR FIELD MEN SPENT CONSIDERABLE KT1930'TIME AND EFFORT IN RECOVERING THIS STATION. IT WAS FOUND KT1930'EXACTLY AS DESCRIBED BY MR. FRENCH BUT, AS THE TABLET HAD KT1930'BEEN SET IN SHALE, THE ROCK HAD WEATHERED AWAY AND APPROXIMATELY KT1930'3/4-INCH OF THE DISK STEM WAS STILL IN THE HOLE. THE DISK KT1930'WAS REMOVED, AND BEING VERY CAREFUL TO HOLD THE SAME POSITION, KT1930'THE HOLE WAS DRILLED TO A DEPTH OF 5 INCHES AND THE TABLET KT1930'CEMENTED IN PLACE. REFERENCE MARKS 1, 2, AND 3 WERE FOUND KT1930'AS DESCRIBED AND IN EXCELLENT CONDITION. KT1930 KT1930 STATION RECOVERY (1951) KT1930 KT1930'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1951 KT1930'STATION FOUND AS DESCRIBED BY U.S.F.S. KT1930 KT1930 STATION RECOVERY (1965) KT1930 KT1930'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1965 (JJL) KT1930'THE STATION MARK AND THE REFERENCE MARKS WERE RECOVERED AS KT1930'DESCRIBED. A COMPLETE NEW DESCRIPTION FOLLOWS. KT1930' KT1930'THE STATION IS LOCATED ABOUT 12 MILES NORTHWEST OF PASKENTA, KT1930'6 MILES SOUTH-SOUTHWEST OF FRANKLIN POINT RANGER STATION AND KT1930'ON A PROMINENT PEAK LOCALLY KNOWN AS BALL ROCK. KT1930' KT1930'TO REACH THE STATION FROM THE POST OFFICE IN PASKENTA, GO WEST KT1930'ON TOOMES CAMP RD. FOR 1.4 MILES TO A Y-FORK. KEEP LEFT FORK KT1930'AND GO WEST FOR 9.2 MILES TO A SIDE ROAD RIGHT AND A SIGN KT1930'EAGLE PEAK LOOKOUT 2 1/2. CONTINUE NORTHWEST ON THE PAVED KT1930'ROAD FOR 2.05 TO A 5-WAY INTERSECTION AND SIGN GOVT. SPR. STA 1. KT1930'CONTINUE AHEAD, UPHILL, ON THE MAIN LOGGING ROAD FOR 5.25 KT1930'MILES TO A Y-FORK AND SIGN HOWELL SADDLE 4. KEEP RIGHT FORK, KT1930'SOUTH AND WEST, AS PER SIGN FOR 4.45 MILES TO A CROSSROAD AND KT1930'SIGN BALL MOUNTAIN L.O. 2. TURN RIGHT, NORTHEAST, AND GO KT1930'0.85 MILE, PASSING A GROUP OF METAL BUILDINGS ON THE LEFT, TO KT1930'A REVERSE Y-FORK AND SIGN BALL ROCK 2. TURN SHARP LEFT KT1930'AND GO NORTHEAST, AS PER SIGN FOR 0.75 MILE TO A KT1930'CROSSROAD. CONTINUE AHEAD, NORTHWEST FOR 0.55 MILE TO KT1930'A Y-FORK AND SIGN BALL ROCK 1/2. KEEP RIGHT FORK, AS PER KT1930'SIGN, AND GO NORTH FOR 0.6 MILE TO THE HIGHEST POINT OF KT1930'THE MOUNTAIN AND THE STATION. KT1930' KT1930'THE STATION MARK IS AN OLD TYPE DISK WITH A CHISLED CROSS KT1930'IN THE CENTER AND THE INITIALS U.S.C. AND G.S. IN RAISED KT1930'LETTERS INSCRIBED ON THE DISK. IT IS SET IN CEMENT IN BEDROCK KT1930'THAT IS FLUSH WITH THE SURFACE OF THE GROUND AND ABOUT 4 KT1930'FEET BELOW THE HIGHEST POINT OF THE HILL. KT1930' KT1930'REFERENCE MARK 1 IS A COPPER BOLT EMBEDDED IN A LARGE BOULDER KT1930'THAT PROJECTS 3 FEET AND 3 FEET BELOW THE LEVEL OF THE STATION. KT1930' KT1930'REFERENCE MARK 2 IS A COPPER BOLT EMBEDDED IN A ROCK OUTCROP KT1930'THAT PROJECTS 2 FEET AND ABOUT 15 FEET BELOW THE LEVEL OF THE KT1930'STATION. KT1930' KT1930'REFERENCE MARK 3 IS A COPPER BOLT EMBEDDED IN A ROCK OUTCROP KT1930'THAT PROJECTS 2 FEET AND ABOUT 10 FEET BELOW THE LEVEL OF KT1930'THE STATION. KT1930' KT1930'REFERENCE MARK 4 IS A U.S. FOREST SERVICE DISK, STAMPED L.B.L. KT1930'1944, CEMENTED IN A DRILL HOLE IN BEDROCK THAT IS 3 INCHES BELOW KT1930'THE SURFACE OF THE GROUND. KT1930' KT1930'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--12 MILES KT1930'NORTHWEST OF PASKENTA