Results: 1 - 3 of 3
May 27, 2021
Open File Report
… sediment layer above bedrock (areas exhibiting greater depth to top of bedrock) are the most susceptible … motions. Conversely, areas where bedrock is at or near the surface …
Jul 12, 2009
Open File Report
… the unit being protected was a bedrock unit. Stratigraphic … the drift, AGS used available bedrock topography or drift …
Dec 31, 1972
Open File Report
… layer (other than consolidated bedrock) thicker than four inches …