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Main benchmarks recovered in good or poor condition. |
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Main benchmarks that have been destroyed. |
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Reference benchmarks recovered in good or poor condition. |
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Reference benchmarks that have been destroyed. |
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Azimuth benchmarks recovered in good or poor condition. |
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Azimuth benchmarks that have been destroyed. |
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A main, reference, or azimuth benchmark not searched for. |
"GRISWOLD"
| NGS PointID: | CZ1956 |
| Reference Benchmarks: | GRISWOLD NO 1, GRISWOLD NO 2, GRISWOLD RM A |
| Azimuth Benchmark: | CORTARO RAD STA KUAT MAST |
| Condition: | A large amount of ware and scratches present. An array of colors has appeared on the disk. |
| Stamping: | GRISWOLD 1971 |
| Coordinates: | 32.382188, -111.080776 |
| Elevation: | 2311.0 ft (704.4 m) |
| Setting: | A circular concrete monument |
| Monumentor: | USC&GS |
Datasheet Description:
The station is located about 13 miles northwest of tucson, 4-1/2 miles southeast of Rillito, 1-1/2 miles northeast of interstate highway 10 and on property owned by the Griswold Realty Company, 3711 Palo Verde Avenue, Tucson, phone 327-6621.
To reach the station from Interstate 10 and cortaro exit northwest of Yucson go northwest on frontage road for 1.55 miles to a side road right and sign Camino de Manana. Turn right and go northeast on Camino de Manana road for 1.2 miles to Oasis Road. Turn right and go east on Oasis Road for 0.65 mile to a fork. Keep right fork on main graveled road and go east for 0.25 mile to Jimmy Road. Turn right and go south on Jimmy Road for 0.4 mile to the station on the right.
The station marks are standard disks stamped GRISWOLD 1971, the surface mark is a round concrete monument that is 12 inches in diameter and projects 3 inches above the ground surface. It is 125 feet southwest of the center of the bladed road, 3-1/2 feet northwest of a metal witness post with sign attached. The underground mark was set about 42 inches below the ground surface.
Reference mark 1 is a standard disk stamped GRISWOLD NO 1 1971, set in the top of a 12-inch round concrete monument that projects 3 inches above the ground surface. It is 73 feet west of the center of the bladed road, and 60 feet northeast of the metal witness post with sign attached.
Reference mark 2 is a standard disk stamped GRISWOLD NO 2 1971, set in the top of a 12-inch round concrete monument that projects 4 inches above the ground surface. It is 152 feet northwest of the center of the bladed road, and 71 feet north of the metal witness post with sign attached.
CORTARO RAD STA KUAT MAST can be used for an azimuth mark.
"GRISWOLD" is a benchmark monumented by the USC&GS in 1971 located in Pima County, Arizona. It has 3 deticated reference marks, 1 of which have been destroyed, and a non-deticated azimuth.
The benchmark was named after the Griswold Realty Company that used to operate at this property.
Once at the driveway, park. Knock on the front door and ask for permission to observe the benchmarks. When I went there was a nice old lady that greated me. She gave permission for me to picture them.
RM A is located on the other side of a fence from the station. Access to the other side of the fence can be obtained from the road.
"GRISWOLD NO 1" was located 60.889 feet or 18.559 meters 63 degrees from the main benchmark. Now only the concrete monument and the stem remains.
"GRISWOLD NO 2" is located 68.537 feet or 20.890 meters 346 degrees from the main benchmark.
"GRISWOLD RM A" is located 83.054 feet or 25.315 meters 17 degrees from the main benchmark.
"CORTARO RAD STA KUAT MAST" is 1.23 miles or 1.98 kilometers located 237 degrees from the main benchmark.
