Results: 1 - 6 of 6
Dec 31, 1972
Earth Sciences Report
… by approximately 100 feet of till. The rise of the level of the … but supplied by leakage from the till or bedrock or both; it is …
Oct 25, 2009
Data
Dec 31, 1981
Open File Report
Dec 31, 1971
Earth Sciences Report
Dec 31, 1960
Open File Report
… a low permeability silty till overlies a sandy shale. Local …
Dec 31, 1971
Earth Sciences Report