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_ �-- ' <br /> LOG OF BORING . <br /> , <br /> ROJECT: BABX-91-589 BORING: B-4 :�.—� <br /> PRELIMINARY GEOTECHNICAL EVALUATION I ' <br /> Proposed Visitor Ceater & Parking Area LOCATION: <br /> Noerenberg Memorial Couaty Park See Attached Sketch <br /> Orono, Minnesota �, <br /> DATE: 11 25 91 SCALE: 1" = 4' <br />:lev. Depth ASTM Description of Materials <br /> 43.0 0.0 Symbol (ASTM D2488) BPF L Tests or Notes � <br /> SM �:�: : SILTY SAND, fine to medium-grained, with <br /> �: Fibers, black, wet. <br /> 41.0 2.0 (Topsoil) , <br /> SM �:=� : SILTY SAND, fine to medium-grained, dark <br /> � : brown, waterbearing. <br />�38.0 5.0 <br /> 1 <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 /> � 1 <br />_ , <br /> i <br /> ' <br /> , <br /> , <br /> I <br /> , <br /> � <br /> �BX-91-589 Braun Intert�c B-4 pag� 1 of 1 <br /> , <br />