Results: 1 - 7 of 7
Dec 31, 1988
Open File Report
… characteristics of the sand and gravel resources. The study area is … and final assessment. Sand and gravel is limited in the area. Most … sand. Major sand and gravel deposits currently exploited …
Oct 16, 2005
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 …
Dec 31, 1982
Open File Report
… veneers of sand and gravel, and some small localized … roadfill, and source of sand or gravel. Soils of map units 18, 19, …
Aug 24, 2011
Map
… the areal extent of sand and gravel deposits with aggregate … the material (ratio of sand to gravel and amount of fines) in the …
Apr 13, 2008
Open File Report
Dec 31, 1977
Earth Sciences Report
Dec 31, 1977
Earth Sciences Report
… and alluvial sand and gravel deposits are the most …