Moisture Density Curve ASTM: D698, Method B
<br />Page B -4 of 62
<br />Project: West Elk Mine RPE Expansion - #06261003 Date: 7/27/09
<br />Client: Barr Engineering Company Job No. 7110
<br />Boring No. Sample: 3 Depth(ft): Location: East End
<br />Soil Type: Mixture of Coal and Mineral Soils - Clayey Sand w /gravel (SC) Organic Content: 36.7
<br />As Received W.C. ( %): 8.6 LL: 31.5 PL: 22.2 PI: 9.3 Specific Gravity: 1.66 *Assumed
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<br />Maximum Dry Density (pcf): 79.2 Opt. Water Content ( %): 15.5
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<br />9301 Bryant Ave. South, Suite 107 NGINEERING Bloomington, Minnesota 55420 -3436
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<br />9301 Bryant Ave. South, Suite 107 NGINEERING Bloomington, Minnesota 55420 -3436
<br />SET -Rlsa _ ESTING, INC.
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