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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. |
"TUCSON A"
| NGS PointID: | DE5827 |
| Condition: | A big gash down the middle of the disk. |
| Stamping: | TUCSON 1937 A |
| Coordinates: | 32.246908, -110.835581 |
| Elevation: | 2546.9 ft (776.3 m) |
| Setting: | A square concrete monument |
| Monumentor: | USC&GS |
Datasheet Description:
Other aliases include IGB 12020, U 772 and NN 222. Station is at abandoned USGS Tucson Magnetic Observatory in Morris K Udall Park, Tucson, Arizona. It is 8.1 mi (13.0 km) ENE of the Pima County Courthouse. To access from I-10 exit 270, go N on Kold Road for 10.1 mi (16.3 km). Turn E (right) onto Tanque Verde Road and go 0.72 mi (1.16 km) . Turn S (right) into park and go 0.03 mi (0.05 km). Turn SE, left, onto side road after first pavillion and go 0.19 mi (0.31 km) through fence to old house/office area. Station is on s of two piers in center of observation area, 98 m (321.5 ft) E of S residence, 24 m (78.7 ft) N of E seismic vault. 25.6 m (84.0 ft) N of W seismic vault, 25.4 m (83.3 ft) S of wood slat building, 90.3 m (296.3 ft) NW of RM MAGNETIC AZIMUTH NO 3, 1.37 m (4.49 ft) S of TUCSON B and 1.46 m (4.79 ft) se of witness post. Pier is 0.46 m (1.51 ft) across. Disk is 9 mm below pier top. TUCSON A and TUCSON B were formerly the same pendulum station U 772. SE, SW, SW, NE, NW, SEC 5, T14S, R15E.
"TUCSON A" is a benchmark monumented by the USC&GS in 1937 located in Pima County, Arizona. It is right next to "TUCSON B".
