Littlerock H 11= LLANO W BASE-California - U.S. Benchmarks on Waymarking.com

DESCRIBED BY LOS ANGELES COUNTY CALIFORNIA 1955 ALSO LISTED BY L.A. CO. ENGINEERS AS LITTLE ROCK H-11. STATION IS IN THE ANTELOPE VALLEY AND ON A PROMINENT GROUND SURFACE RISE, ABOUT 2.5 MI. E OF THE LITTLEROCK SCHOOL AND ABOUT 0.5 MILE S OF PEARBLOSSOM HWY. IT IS LOCATED ABOUT 213 FEET S OF AVENUE V, 632 FEET E OF 106TH ST E. ABOUT 50 FEET S OF THE SOUTHERN LINE OF THE STEEL TRANSMISSION TOWER LEGS, ABOUT 304 FEET SW OF THE MOST SOUTHERLY LEG OF TOWER 219III S AND IN THE EXTREME NW CORNER OF SEC. 21, T5N, R10W. STATION MARK IS A STANDARD 4-INCH COUNTY SURVEYOR BRONZE TRIANGULATION TABLET STAMPED LITTLEROCK H-11 R.E. 63 1954 SET IN A ROUND 9-INCH CONCRETE PILLAR 4 INCHES ABOVE GROUND. R.M. 1 IS A STANDARD 4-INCH COUNTY SURVEYOR REFERENCE MONUMENT SET IN A SQUARE 14-INCH CONCRETE PILLAR 14 INCHES BELOW THE SURFACE OF THE DIRT ROAD AND IS N6 DEG 09 MIN 51 SEC W, 22.84 FEET FROM STATION. R.M. 2 IS A STANDARD 4-INCH COUNTY SURVEYOR REFERENCE MARK IN A SQUARE 12-INCH CONCRETE PILLAR 4 INCHES ABOVE THE SURFACE OF GROUND AND IS N 6 DEG 09 MIN 51 SEC W, 50.28 FEET FROM STATION.
1/1/1964 by CGS (MONUMENTED)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1964 (JJL) THIS STATION IS LISTED BY THE LOS ANGELES COUNTY ENGINEERS AS LITTLEROCK H-11. ALL MARKS WERE RECOVERED AND FOUND IN GOOD CONDITION. AN AZIMUTH MARK AND REFERENCE MARK NO. 3 WERE ESTABLISHED. A NEW DESCRIPTION FOLLOWS-- THE STATION IS LOCATED ABOUT 3 MILES EAST AND 1/2 MILE SOUTH OF LITTLEROCK, 1-1/2 MILES WEST AND 1/2 MILE NORTH OF PEARBLOSSOM, 300 FEET SOUTH OF A POWER LINE AND ON A LOW RISE IN THE NORTHWEST CORNER OF SECTION 21, T. 5 N., R. 10 W. TO REACH THE STATION FROM THE POST OFFICE IN LITTLEROCK, GO EAST ON STATE HIGHWAY 138 FOR 2.9 MILES TO A T-ROAD TO THE RIGHT AND SIGN JUNIPER HILLS. TURN RIGHT AND GO SOUTH FOR 0.55 MILE TO A CROSSROAD ON THE SOUTH SIDE OF A POWER LINE. (TO REACH THE AZIMUTH MARK FROM THIS POINT, TURN RIGHT AND GO WEST FOR 0.25 MILE TO THE MARK ON THE LEFT, SOUTH, SIDE OF THE ROAD.) TURN LEFT AND GO EAST FOR 0.1 MILE TO THE TOP OF A LOW RISE AND THE STATION ON THE RIGHT, SOUTH, SIDE OF THE ROAD. THE STATION MARK, STAMPED LITTLEROCK H 11 RE 63 1954, IS A LOS ANGELES COUNTY ENGINEERS DISK SET IN THE TOP OF A CYLINDRICAL, CONCRETE MONUMENT THAT IS 10 INCHES IN DIAMETER AND PROJECTS 2 INCHES. IT IS 28 FEET SOUTH OF THE CENTER OF THE ROAD AND 3.0 FEET NORTH OF A YELLOW, STEEL PIPE. REFERENCE MARK NO. 1, STAMPED LITTLEROCK H 11 RE 63 R.M. NO 1 1954, IS A LOS ANGELES COUNTY ENGINEERS DISK SET IN THE TOP OF A 12-INCH SQUARE, CONCRETE MONUMENT THAT IS ABOUT 3 INCHES BELOW THE SURFACE OF THE GROUND. IT IS 25.7 FEET NORTH OF A YELLOW, STEEL PIPE AND 5 FEET SOUTH OF THE CENTER OF THE ROAD. REFERENCE MARK NO. 2, STAMPED LITTLEROCK H 11 RE 63 R.M. NO 2 1954, IS A LOS ANGELES COUNTY ENGINEERS DISK SET IN THE TOP OF A 12-INCH SQUARE, CONCRETE MONUMENT THAT PROJECTS 1 INCH. IT IS 23 FEET NORTH OF THE CENTER OF THE ROAD AND 3.1 FEET EAST OF A YELLOW, STEEL PIPE. REFERENCE MARK NO. 3, STAMPED LLANO WEST BASE LAC NO 3 1955, IS A STANDARD DISK SET IN THE TOP OF A 12-INCH SQUARE, CONCRETE MONUMENT THAT PROJECTS 3 INCHES. IT IS 29.2 FEET NORTHWEST OF A YELLOW, STEEL PIPE AND 24 FEET SOUTH OF THE CENTER OF THE ROAD. (NOTE 11A) THE AZIMUTH MARK, STAMPED LLANO WEST BASE LAC 1955 1964, IS A STANDARD DISK SET IN THE TOP OF A 12-INCH SQUARE, CONCRETE MONUMENT THAT PROJECTS 3 INCHES. IT IS 20 FEET SOUTH OF THE CENTER OF THE ROAD AND 1.0 FOOT NORTH OF A WITNESS POST. (NOTE 16A)
1/1/1966 by CGS (MONUMENTED)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1966 (CAA) THE STATION AND REFERENCE MARKS WERE RECOVERED AS DESCRIBED IN THE 1964 DESCRIPTION. THERE IS NO NOTICEABLE GROUND MOVEMENT IN THE VICINITY OF THE STATION. AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--5-1/2 MILES WEST-NORTHWEST OF PEARBLOSSOM
1/1/1967 by CGS (MONUMENTED)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1967 (CAA) STATION MARK AND REFERENCE MARKS WERE RECOVERED AND FOUND IN GOOD CONDITION. NO NOTICEABLE GROUND MOVEMENT WAS VISIBLE IN THE VICINITY OF STATION. STATION USED FOR CHECK ANGLE PURPOSES ONLY.
1/1/1969 by CGS (MONUMENTED)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1969 (GRS) STATION AND ALL MARKS WERE RECOVERED AND FOUND IN GOOD CONDITION AS DESCRIBED. VISITED BY A LIGHTKEEPER ONLY.
1/1/1972 by NGS (MONUMENTED)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1972 (LDF) THE STATION MARK, REFERENCE MARKS 1, 2 AND 3 AND THE AZIMUTH MARK WERE RECOVERED AS DESCRIBED. THE 1964 DESCRIPTION IS GOOD. NOTE, REFERENCE MARK 3 IS STAMPED LLANO W BASE NOT LLANO WEST BASE. AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--3-1/2 MILES EAST-SOUTHEAST OF LITTLE-ROCK
1/1/1973 by NGS (MONUMENTED)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1973 (RWS) THE STATION MARK, REFERENCE MARKS 1, 2, AND 3, AND THE AZIMUTH MARK WERE RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. THE STATION IS LOCATED ABOUT 3 MILES EAST-SOUTHEAST OF LITTLEROCK, 2 MILES WEST-NORTHWEST OF PEARBLOSSOM, 0.5 MILE SOUTH OF STATE HIGHWAY 138, AND ABOUT 100 FEET SOUTH OF A POWER LINE. IT IS IN SEC. 21, T5N, R10W. TO REACH THE STATION FROM THE POST OFFICE IN LITTLEROCK, GO EAST ON STATE HIGHWAY 138 FOR 2.9 MILES TO A CROSSROAD (106 ST. E.). TURN RIGHT AND GO SOUTH ON 106 ST. E. FOR 0.55 MILE TO A CROSSROAD JUST AFTER PASSING UNDER FOUR SETS OF POWER LINES. (TO REACH THE AZIMUTH MARK, TURN RIGHT AND GO WEST FOR 0.25 MILE TO THE MARK ON THE LEFT.) TURN LEFT AND GO EAST FOR 0.1 MILE TO THE TOP OF A LOW RISE AND THE STATION ON THE RIGHT. THE STATION MARK IS A LOS ANGELES COUNTY TRIANGULATION DISK STAMPED LITTLEROCK H-11 1954 R.E. 63 L.A. COUNTY SURVEYOR. IT IS SET IN THE TOP OF A 12-INCH ROUND CONCRETE MONUMENT WHICH PROJECTS 4 INCHES ABOVE THE SURFACE OF THE GROUND. IT IS 29 FEET SOUTH OF THE CENTER OF A DIRT ROAD, 13.4 FEET SOUTHEAST OF A 2-INCH IRON PIPE WHICH PROJECTS 2 FEET, 12.7 FEET WEST OF A 2-INCH IRON PIPE WHICH PROJECTS 2 FEET, AND 3 FEET NORTH OF A 2-INCH IRON PIPE WHICH PROJECTS 3 FEET. NOTE DESC. REFERENCE MARK 1 IS A LOS ANGELES COUNTY REFERENCE MARK DISK STAMPED LITTLEROCK H-11 R.M. NO. 1 1954 COUNTY SURVEYOR R.E. 63. IT IS SET IN THE TOP OF A 14-INCH SQUARE CONCRETE MONUMENT WHICH IS ABOUT 4 INCHES BELOW THE SURFACE OF THE ROAD. IT IS 27.6 FEET SOUTH OF A 2-INCH IRON PIPE WHICH PROJECTS 3 FEET, 26 FEET NORTH OF A 2-INCH IRON POST WHICH PROJECTS 3 FEET, 15 FEET NORTHEAST OF A 2-INCH IRON POST WHICH PROJECTS 2 FEET, AND 5.8 FEET SOUTH OF THE CENTER OF A DIRT ROAD. NOTE DESC. REFERENCE MARK 2 IS A LOS ANGELES COUNTY REFERENCE MARK DISK STAMPED LITTLEROCK H-11 R.M. NO. 2 1954 COUNTY SURVEYOR R.E. 63. IT IS SET IN THE TOP OF A 14-INCH SQUARE CONCRETE MONUMENT WHICH IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 22 FEET NORTH OF THE CENTER OF A DIRT ROAD AND 3 FEET EAST OF A 2-INCH IRON POST WHICH PROJECTS 3 FEET. NOTE DESC REFERENCE MARK 3 IS A STANDARD DISK STAMPED LLANO W BASE LAC NO 3 1955. IT IS CEMENTED IN THE TOP OF A 12-INCH SQUARE CONCRETE MONUMENT WHICH PROJECTS ABOUT 3 INCHES ABOVE THE SURFACE OF THE GROUND. IT IS 29.2 FEET WEST-NORTHWEST OF A 2-INCH IRON POST WHICH PROJECTS 3 FEET, 24 FEET SOUTH OF THE CENTER OF A DIRT ROAD, AND 19.8 FEET WEST-SOUTHWEST OF A 2-INCH IRON POST WHICH PROJECTS 2 FEET. NOTE 11A THE AZIMUTH MARK IS A STANDARD DISK STAMPED LLANO WEST BASE 1955 1964 CEMENTED IN THE TOP OF A 12-INCH SQUARE CONCRETE MONUMENT WHICH PROJECTS ABOUT 3 INCHES ABOVE THE SURFACE OF THE GROUND. IT IS 20 FEET SOUTH OF THE CENTER OF A DIRT ROAD AND 1 FOOT NORTH OF A METAL WITNESS POST WITH A SIGN ATTACHED. NOTE 16A HEIGHT OF LIGHT ABOVE STATION MARK 4.0 FEET. AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--2 MILES WEST-NORTHWEST OF PEARBLOSSOM
1/1/1978 by NGS (MONUMENTED)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978 (CLN) THE STATION MARK, AZIMUTH MARK, AND REFERENCE MARKS 1, 2, AND 3 WERE RECOVERED, FOUND TO BE IN GOOD CONDITION, AND AS DESCRIBED IN 1964. THE STATION WAS OBSERVED UPON THIS YEAR FROM TRIANGULATION STATION WARD (USGS) 1940, BUT WAS NOT OCCUPIED. THE 1964 ROUTE WAS USED IN RECOVERY AND FOUND TO BE ENTIRELY ADEQUATE.

Condition: Mark found in good condition Designation: LLANO WEST BASE 1955/1964 Benchmark Agency: U.S. Coast & Geodetic Survey Monumentation type: AZIMUTH MARK Disk County: Los Angeles County-Littlerock, CA. Find type: Coordinates and/or to-reach information from the NGS database (or Geocaching's copy of it) were used Benchmark Agency (if other): Not listed Monumentation type (if other): Not listed USGS 7.5' Topographic Quadrangle Name (optional): Not listed Special category (optional): Not listed Special Category (if other): Not listed Web address of this benchmark's datasheet (optional): Not listed NGS PID: Not listed Local database's URL (optional): Not listed

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