Results: 1 - 4 of 4
Nov 30, 1979
Open File Report
… delineates areas containing sand and gravel in the St. Paul area, and …
Jul 31, 1980
Open File Report
… River valley (two deposits), and outwash deposits in the Elk … convenient supplies of sand and gravel. The greatest exploitation …
Jul 28, 2009
Map
… map shows the areal extent of sand and gravel deposits with aggregate …
Jul 28, 2009
Map
… map shows the areal extent of sand and gravel deposits with aggregate …