2003-11-22

AC6130 - HPGN D CA 06 LK

County: FRESNO
State: CALIFORNIA

PUBLISHED DATA
Lat: 36° 09.148
Long: 119° 19.740
Alt: 263
Designation: HPGN D CA 06 LK
Marker Type: survey disk
Setting: aluminum alloy rod
Stability: Probably hold position/elevation well.

Documented History (by the NGS)
1/1/1993 by CADT (MONUMENTED)
DESCRIBED BY CALTRANS 1993 (RGD) THE STATION IS LOCATED ON THE SOUTH SIDE OF MEFFORD AIRPORT, ABOUT 18 MI (29.0 KM) NORTHWEST OF PORTERVILLE AND 4 MI (6.4 KM) SOUTH OF TULARE. TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAYS 99 AND 137 IN TULARE, GO SOUTH ON HIGHWAY 99 FOR 3.8 MI (6.1 KM) TO THE AVENUE 200 OFF-RAMP. TAKE THE OFF-RAMP SOUTH AND WEST FOR 0.2 MI (0.3 KM) TO AVENUE 200 AND A SIDE ROAD LEFT. BEAR LEFT AND GO SOUTH, EAST, AND NORTH ON A CONNECTOR ROAD, CROSSING OVER HIGHWAY 99, FOR 0.4 MI (0.6 KM) TO A SIDE ROAD RIGHT, EAST RANKIN AVENUE AND THE STATION ON THE LEFT. THE STATION IS A SURVEY DISK ENCASED IN PVC PIPE WITH ACCESS COVER SET IN CONCRETE FLUSH WITH THE GROUND, 74 FT (22.6 M) SOUTH OF THE INTERSECTION OF THE CONNECTOR ROAD AND EAST RANKIN AVENUE, 30.3 FT (9.2 M) SOUTHWEST OF THE CENTERLINE OF THE CONNECTOR ROAD, 7.0 FT (2.1 M) SOUTHWEST OF AN ASPHALT CURB, 3.5 FT (1.1 M) NORTHEAST OF A FIBERGLASS WITNESS POST AND ABOUT 1 FT (0.3 M) LOWER THAN THE ROAD. THE STATION WAS OCCUPIED AS PART OF A CALIFORNIA HPGN DENSIFICATION SURVEY.


FOUND DATA
Lat: 36° 09.149
Long: 119° 19.742
Alt: NA

Found it at 16:10, 22 November 2003 as described and in good condition. The lid to the access cover is missing, but the mark is still reasonably well protected.
Original NAD83 coordinates were located about 10 feet east-northeasterty of the found WGS84 coordinates. WGS84 coordinates for the mark found by 2.5 minute occupation with 7 strong satellites and 1 WAAS satellite

Benchmark detail.


The benchmark in its well setting and the GPSr.


The benchmark in its well setting, witness post, and the GPSr.


The view northwesterly showing the described ac curb and the Tulare County Veteran's Memorial at Mefford Field in the distance.

GT0634 - W 827

EDIT: This benchmark was revisited November 15, 2008.

County: TULARE
State: CALIFORNIA

PUBLISHED DATA
Lat: 36° 09.217
Long: 119° 19.867
Alt: 267.8
Designation: W 827
Marker Type: bench mark disk
Setting: massive structures
Stability: Probably hold position/elevation well.

Documented History (by the NGS)
1/1/1947 by CGS (MONUMENTED)

1/1/1954 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1954 4.2 MI SE FROM TULARE. 3.9 MILES SOUTH ALONG THE SOUTHERN PACIFIC COMPANY RAILROAD FROM THE STATION AT TULARE, THENCE 0.3 MILE EAST ALONG AVENUE 200 (26 E), AT THE FARM AIR COMPANY AIRPORT (FORMERLY TULARE MUNICIPAL AIRPORT), AT THE HANGAR, IN THE TOP AND NEAR THE WEST END OF THE CONCRETE BASE FOR THE HANGAR -DOOR STEEL SLIDE CHANNEL, 13.1 FEET EAST OF THE SOUTHWEST CORNER OF THE HANGAR, AND 1.2 FEET EAST OF THE WEST SIDE OF THE DOOR JAM. NOTE-- LOCATED IN THE SOUTHWEST QUARTER OF SECTION 25, T 20 S, R 24 E.

1/1/1975 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1975 RECOVERED IN GOOD CONDITION.


FOUND DATA
Lat: 36° 09.239
Long: 119° 19.876
Alt: NA

Found it at 16:00, 22 November 2003 as described and in good condition. The hangar is no longer in use, but remains as a prominent piece of the landscape and area history.

Original NAD83 coordinates were located about 145 feet south-southeasterly of the found WGS84 coordinates. WGS84 coordinates for the mark found by 3 minute occupation with 5 strong satellites and 1 WAAS satellite. (Proximity to the hangar made satellite lock difficult.)

Benchmark detail.


The benchmark and the GPSr.


View of the left side of the hangar door. The benchmark is located on the concrete apron near the side of the door.


The Mefford Field hangar. The benchmark is located on the concrete apron near the left side of the door.


The Tulare County Veteran's Memorial F4 Phantom.


The Tulare County Veteran's Memorial B17 Flying Fortress.