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 …
Dec 31, 1973
Earth Sciences Report
… It consists of a gently rolling, till-covered plain between two flat …
Dec 31, 1973
Open File Report
Dec 31, 1974
Earth Sciences Report
… west by low but rough uplands of till and glacially disturbed …
Apr 30, 1974
Open File Report
… the 50-foot thickness of clay till overburden to expose the iron …