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� <br /> LOG OF BORING <br /> ' <br /> PROJECT: BABX-91-589 BORING: B-4 <br /> , PRELIMINARY GEOTECHNICAL EVALUATION LOCATION: <br /> Proposed Visitor Center & Parking Area See Attached Sketch <br /> Noerenberg Memorial County Park <br /> Orono, Minnesota � <br /> IDATE: 11 25/91 SCALE: 1" = 4' <br /> Elev. Depth ASTM Description of Materials <br /> ' 943A 0.0 Symbol (ASTM D2488) BPF L Tests or Notes <br /> SM �:=:: SILTY SAND, fine to medium-grained, with <br /> •: Fibers, black, wet. <br /> 1 941.0 2.0 (Topsoil) <br /> SM �: :: SILTY SAND, fine to medium-grained, dark <br /> : brown, waterbearing. - <br /> ' 938.0 SA <br /> ' END OF BORING <br /> Water level not encountered to cave-in depth <br /> of 4' immediately after withdrawal of auger. <br /> , Water level down 3' 3 hours after withdrawal <br /> of auger. <br /> ' Boring then backfilled. <br /> , <br /> � <br /> ' <br /> � <br /> 1 <br /> ' � <br /> ' <br /> , <br /> ' BABX-91-589 Btsun Intertec B-4 pag� 1 ot 1 <br />