Results: 1 - 3 of 3
Feb 28, 2007
Earth Sciences Report
… bedrock valleys and channels, drift thickness and glacial aquifers in the … or as bedrock channels formed by glacial meltwater. Names have been …
Dec 31, 1960
Earth Sciences Report
… covered by a mantle of glacial drift which is commonly 30 to 100 feet thick. The drift is composed mostly of …
Dec 31, 1961
Earth Sciences Report
… from sand and gravel within glacial deposits, from sandstones … probability maps for the drift and the bedrock show the …