ORO

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"ORO"

NGS PointID: CZ0118
Reference Benchmarks: ORO NO 1, ORO NO 2,
Azimuth Benchmark: E 399
Condition: Very minor scratches and ware.
Stamping: ORO 1962
Coordinates: 32.476185, -110.923420
Elevation: 3047.3 ft (928.81 m)
Setting: A circular concrete monument
Monumentor: USC&GS

Datasheet Description:

The station is about 16 miles north of Tucson, 5-1/2 miles south of Oracle Junction, about 1/2 mile east of BIG WASH and on the summit of a low hill 0.1 mile west of U.S. Highway 80. To reach the station from the southeast entrance to the Evergreen Cemetery on the north side of Tucson, drive north on U.S. Highway 80 for 15.1 miles to a macadam surfaced side road on the left and the azimuth mark. Turn left, cross a cattle guard, thence turn left again and drive south on dim tracks for 0.3 mile to the summit of a low hill and the station. Surface and underground station marks are standard disks stamped ORO 1962. The underground-station mark is set in the top of a mass of concrete 40 inches below the surface of the ground. The surface-station mark is set in the top of a cylindrical concrete monument, 12 inches in diameter, projecting 3 inches above the surface of the ground. It is 6.5 feet south of a metal witness post with sign attached. Reference mark 1, a standard disk stamped ORO NO 1 1962, is set in the top of a cylindrical concrete monument, 12 inches in diameter, projecting 2 inches above the surface of the ground. It is about the same elevation as the station. Reference mark 2, a standard disk stamped ORO NO 2 1962, is set in the top of a cylindrical concrete monument, 12 inches in diameter, projecting 2 inches above the surface of the ground. It is 3 feet north of a barrel cactus and about the same elevation as the station. A standard bench mark was used for the azimuth mark. The disk, stamped E 399 1962, is set in the top of a cylindrical concrete monument, 12 inches in diameter, projecting 3 inches above the surface of the ground. It is 97.5 feet west of the center of U.S. Highway 80, 42.0 feet north of the center of the macadam surfaced side road and cattle guard, 2.0 feet south of a metal witness post with sign attached and 1.5 feet east of the west highway right-of-way fence.


"ORO" is a benchmark monumented by the USC&GS in 1962 located in Pima County, Arizona. It has 2 deticated reference marks and a non deticated azimuth, which has been destroyed.

The best way to get to "ORO" is to start at the west side of the right of way fence on the west side of AZ 77 and Miravista Lane. Head south along the right of way fence to reach the station. Bushwhack when needed.

"ORO NO 1" is located 27.841 feet or 8.486 meters 177 degrees from the main benchmark. It is located at about the same elevation as the station.

"ORO NO 2" is located 28.202 feet or 8.596 meters 287 degrees from the main benchmark. It is located at about the same elevation as the station.

"E 399" is located 1017.999 feet or 310.286 meters 287 degrees from the main benchmark. It has been destroyed.