Results: 1 - 8 of 8
Sep 26, 2006
Map
… Geological Survey sand and gravel geology and resource data … the areal extent of sand and gravel deposits with aggregate … the material (ratio of sand to gravel and amount of fines) in the …
Apr 07, 2016
Presentation
… extensive bedrock plateaus are gravel-capped, which will influence …
Dec 31, 1979
Earth Sciences Report
Jul 28, 2009
Map
… the areal extent of sand and gravel deposits with aggregate … the material (ratio of sand to gravel and amount of fines) in the …
Jul 31, 2001
Earth Sciences Report
… 25 glaciofluvial, or sand and gravel samples; and 1 preglacial sand and gravel sample. More than 2000 …
Apr 23, 2017
Data
… 3, which contains sand and/or gravel resting on the floors of …
Apr 23, 2017
Data
… 5, which contains sand and/or gravel confined to modern valleys, …
Dec 31, 1978
Earth Sciences Report