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A '''''level line''''' is a sequence of bench marks (i.e. "["vertical control"]" ["station"]s), each a few miles from the other, that was surveyed by "["differential leveling"]". A '''''level line''''' is a sequence of bench marks (i.e. "[[vertical control]]" [[station]]s), each a few miles from the other, that was surveyed by "[[differential leveling]]".

A level line is a sequence of bench marks (i.e. "vertical control" stations), each a few miles from the other, that was surveyed by "differential leveling".

level line (last edited 2009-03-21 21:03:19 by localhost)