Polar Services - Antarctic - Geodetic Benchmarks - BOB1

USGS Benchmark BOB (BOB1)
Site Description:		**As of 2010, BOB1 is underwater because of rising lake levels in Taylor Valley. The benchmark can no longer be occupied and is included here for historical purposes only.** Mark is a circular placque with dimple. From the Jamesway, 20.89 m west of the northwest corner and 21.07 m west of the southwest corner.
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Coordinates:		77° 37' 24.7959" S 162° 54' 17.579" E 20.12 m (~75.36 m MSL) ITRF-94
Source:		Baseline tie to McMurdo Station.
Raw Data:		UNAVCO: Data Archive Interface

Last modified: 2019-12-24  02:12:43  America/Denver