Orange County Surveyor 3II-4-77 Benchmark - O'Neill Regional Park, CA
N 33° 36.711 W 117° 37.405
11S E 442167 N 3719294
Quick Description: OCS benchmark 3II-4-77 located in the Arroyo Trabuco area of O'Neill Regional Park. JUST off the Road/Trail.
Location: California, United States
Date Posted: 8/5/2012 3:23:02 PM
Waymark Code: WMF18T
Published By: Groundspeak Premium Member Ernmark
Views: 3

Long Description:
From original Data Sheet:
"Orange County - OC Public Works - Geomatics & Land Information Systems Section
Vertical Control Data Sheet - O.C.S. 1995 Adjustment
Designation: 3II-4-77 Date Destroyed:
Date Revised:
Line #/SSN: 347/0080 GPS #:
For Reconnaisance Only! Latitude (30' +/-) 33 36 39.8
Longitude (30' +/-) 117 37 27.9
Monument Type: Orange County Surveyor's 3 3/4" Aluminum Disk
Established By: OCS 1977"

and from:
"to Reach" - "DESCRIBED BY OCS 1977 FROM SAN DIEGO FREEWAY (I-405), PROCEED 0.73 MILE ON AVERY PARKWAY TO GRAVEL PLANT, PROCEED NORTHERLY ALONG DIRT ROAD PARALLEL TO TRABUCO CREEK 4.45 MILES FROM PLANT TO A LOCKED GATE AT RANCH HOUSE, PROCEED THRU GATE AND ALONG DIRT ROAD 1.8 MILES TO A FORK IN ROAD, THENCE LEFT ACROSS CREEK BEAR RIGHT AND PROCEED ALONG CREEK TO PONDS, BEAR RIGHT AND CROSS CREEK TO EAST SIDE AND GO NORTHEAST TO HISTORICAL MONUMENT BY FENCE AND SHED OVER ADOBE RUINS, GO THRU GATE JUST NORTH OF SHED, 0.1 MILE NORTH OF SAID GATE ON DIRT ROAD TO AN ANGLE POINT IN FENCE, 3.2 FT. SOUTHEAST OF CORNER POST, 16 FT. WEST OF CENTER OF ROAD, 0.3 FT. ABOVE GROUND, 4.8 FT. SOUTH OF TRIANGULATION POINT WITH PADDLE POST BY BOTH POINTS."
Condition: Mark found in good condition

Designation: ORANGE COUNTY SURVEYOR BENCH MARK 3II-4-77

Benchmark Agency: Not listed

Monumentation type: BENCH MARK (or B.M.) disk

County: Orange County

USGS Topographic Quadrangle Name: Santa Ana

Find type: Found by luck/skill/knowledge

Web address of this benchmark's datasheet (optional): [Web Link]

Local database's URL (optional): [Web Link]

Benchmark Agency (if other): Not listed

Monumentation type (if other): Not listed

Special category (optional): Not listed

Special Category (if other): Not listed

NGS PID: Not listed

Visit Instructions:
  1. A closeup photo of the mark is required.
  2. A 'distant' photo including the mark in the view is highly recommended. Include the compass direction you faced when you took the picture.
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