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68 <br />LEGEND <br />Indicates MAN-MADE FILL. <br />Indicates soil type. <br />® CLAY, medium plasticity, medium Miff to very <br />stiff, medium moist to moist, brown (Group I) <br />CLAY, silty, medium stiff to very stiff, <br />medium moist to moist, brown (Group II) <br />© CLAY, sandy, some SANDSTONE BEDROCK, SHALE, <br />and COAL fragments, stiff to very stiff,' <br />medium moist to moist, brown <br />(Group III) <br />SILT, medium dense to dense, slightly moist <br />~'~' to medium moist, brown (Group IV) <br />SAND, fine grained, clayey, medium dense, <br />~fum moist, brown (SP-SC) <br />^ SANDSTONE BEDROCK, extra hard, well• cemented <br />me ium moist, buff/brown <br />^ CLAYSTONE BEDROCK, medium hard, medium moist <br />rown <br />Indicates water table at time of drilling. <br />-_ Indicates free water level when checked on <br />June 16, 1981. <br />e,,..~lndicates refusal was encountered while <br />drilling with a 6 inch diameter power auger <br />r.R. Indlcates na sample recovered. <br />T <br />n.o.Indicates interval of difficult drilling. <br />E . <br />Nu <br />NOTES <br />68 <br />1. Test holes were drilled on May 20, 1981 with a <br />4 inch conventional auger and 6 inch hollow <br />stem auger. <br />2. (9/9) location of Standard Penetration Test; <br />indicates that 9 blows with a 140 pound hammer, <br />falling 30 inches were required to drive a 2 <br />inch diameter sampler 9 inches. <br />3. Elevations were surveyed by personnel from <br />Peabody Coal Company. <br />4. Test hole 4 was off set 5' and redrilled. <br />LOGS OF TEST. HOLES <br />HAUL ROAD NO. 1 EMBANKMENT <br />SENECA 11 MINE, HAYDEN, COLORADO <br />FOX Consulting Engineers and Geologists <br />Drawn By: TE <br />Reviewed Bv: OFS <br />bb No: 1-2662-10060 <br />4 <br />