Results: 1 - 3 of 3
Apr 30, 2007
Special Report
… rare diamonds have been found in gravel deposits on the northern … worked for their cobble and gravel components, but test … recover heavy minerals from the gravel washings. These minerals are …
Nov 30, 2008
Open File Report
… as a co-product of sand and gravel, however, should warrant … consideration with sand and gravel operators in the region. In …
Jul 31, 2001
Earth Sciences Report
… 25 glaciofluvial, or sand and gravel samples; and 1 preglacial sand and gravel sample. More than 2000 …