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<br />• <br />u <br /> <br />Laboratory Testing Select Material <br />December 13, 1984 <br />Typical values for similarly classified materials are indicated <br />below: <br />Design of small dams <br />Bureau of Reclamation GP <br />Physical and Geotech- Gravel (crushed) <br />nical Properties of loose <br />soils, Bowles dense <br />Design Manual <br />NAVAC DM-7 <br />GP <br />>36.5 <br />36 - 40 <br />40 - 50 <br />>36.5 <br />Based on the results of the testing, the material is suitable for <br />use as "Select Material" in the mine bench stabilization. This <br />material should be compacted to 908 of maximum dry Proctor <br />density. <br />If you have any questions or if we can be of further assistance, <br />please contact us. <br />Respectfully submitted, <br />ROCKY MOUNTAIN GEOTECHNICAL, INC. <br />/~/ <br />se C ( Gbode~,~r~. <br />Geot clinical Eng Weer <br />?~ <br />~~ <br />C~~~, ~~~ <br />eviewed b ' R n~ n t~~. Myers, P.E. <br />JCG/msl <br />• <br />