Results: 1 - 3 of 3
Oct 16, 2005
Map
… the mapping of the bedrock and surficial geology of thirteen 1:50 … industrial and metallic minerals deposits, coal and coal bed methane …
Oct 16, 2005
Map
… the mapping of the bedrock and surficial geology of thirteen 1:50 … industrial and metallic minerals deposits, coal and coal bed methane …
Dec 31, 1967
Earth Sciences Report
… thickness; the thickness of the surficial deposits ranges from a few feet up …