batter board
One of a series of horizontal boards set across or to one side of a trench line to indicate a desired elevation or reference grade from which trench bottom elevations are determined.
Authorization Path: 2.4.5.2.20.15
One of a series of horizontal boards set across or to one side of a trench line to indicate a desired elevation or reference grade from which trench bottom elevations are determined.
Authorization Path: 2.4.5.2.20.15