Shallow

Definition and stakes

Edward A. Martin,  The Story of a Piece of Coal: What It Is…

“ It must be noted that, although we may attribute to upheaval from beneath the fact that the bed of the sea became temporarily raised at each period into dry land, the deposits of sand or shale would at the same time be tending to shallow the bed, and this alone would assist the process of upheaval by bringing the land at least very near to the surface of the water. ”
Source: Gutenberg

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