Orange County Surveyor 3II-6-77 Benchmark - O'Neill Regional Park, CA
N 33° 37.642 W 117° 37.370
11S E 442232 N 3721014
OCS benchmark 3II-6-77 located in the Arroyo Trabuco area of O'Neill Regional Park. JUST off the Road/Trail. About 188 FT NW of Miler Marker 2.0 (part of an Eagle Scout Project - Arroyo Trail Mile Markers - O'Neill Regional Park, CA (WMEYBG).
Waymark Code: WMF1E1
Location: California, United States
Date Posted: 08/06/2012
Views: 7
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-6-77 Date Destroyed:
Date Revised:
Line #/SSN: 347/0060 GPS #:
For Reconnaisance Only! Latitude (30' +/-) 33 37 30.3
Longitude (30' +/-) 117 37 22.7
Monument Type: Orange County Surveyor's 3 3/4" Aluminum Disk
Established By: OCS 1977
NAVD88 NGVD29 YEAR LEVELED
FEET METERS FEET METERS
743.671 226.671 741.321 225.955 1989
and from "to reach":
DESCRIBED BY OCS 1977 FROM THE SAN DIEGO FREEWAY (I-405), PROCEED 0.73 MILE ALONG AVERY PARKWAY TO A GRAVEL PLANT, FOLLOW DIRT ROAD FROM PLANT UPSTREAM (NORTHERLY) ALONG TRABUCO CREEK 4.45 MILES FROM PLANT TO LOCKED GATE AT RANCH HOUSE, PROCEED THROUGH GATE ALONG DIRT ROAD NORTHERLY 3.7 MILES FROM GATE, 17.5 FT. EAST OF THE CENTERLINE OF SAID ROAD, 4 FT. HIGHER THAN THE ROAD, 49 FT. WEST OF A 3.7 FT. DIAMETER OAK TREE, TOP 6 INCHES OF MONUMENT EXPOSED, 40 FT. SOUTHEAST OF THE JUNCTION OF 2 DIRT ROADS, 0.5 MILE NORTH OF 3II-5-77.
Distance picture is facing "mostly East"
Condition: Mark found in good condition
Designation: ORANGE COUNTY SURVEYOR BENCH MARK 3II-6-77
Benchmark Agency: Not listed
Monumentation type: BENCH MARK (or B.M.) Disk
County: Orange County
USGS 7.5' Topographic Quadrangle Name (optional): 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
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Visit Instructions:
- A closeup photo of the mark taken by you is required.
- 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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