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<br /> <br />The sand and gravel deposit varies from 30 to 45 feet deep. The overburden and topsoil vary in <br />thickness from six inches to six feet. Bedrock under the deposit is sandstone and siltstone. <br />Sand and gravel is the primary mineral produced. <br />Principal intended use of the mine products is construction aggregates. These aggregates will be <br />sold to customers and included in the asphalt and concrete produced on-site. <br />D-3 <br />