Benchmark - 1957 TS est
|Benchmark Number||1957 TS est|
|Vertical Datum Code||UNKNOWN|
|Description||The top of a 9 m length of a 15 cm diameter steel pipe driven to bedrock at northern end of D.O.T. causeway; top painted red with white letters BM; it is approximately 0.3 m north of a second steel pipe projecting vertically out of the sandy shore.
Note: Two other BMs at this station (T1 1957 & T2 1957) reported destroyed September 1959.
|Date||Elevation||Status||Vertical Datum Code|