Home > Term: ordnance bench mark
ordnance bench mark
Survey station the level of which has been officially fixed with reference to the ordnance datum, the arbitrary mean sea level at Newlyn in Cornwall, England.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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