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PRWECT NAME: Dupont/Lood] 90RIN13 #: MW-21R <br /> PRWE,.T d': 1813G DATE DRILLED: 11/12/87 <br /> ' EXCELTECH EXPLORATORY BORING LOG LOGGED ©y: D s <br /> cc <br /> > ¢ _j �° o a° <br /> a r G <br /> O f3 a 4 SOIL,DESCRIPTION q�q Ui Ch <br /> Z E 1 0 o W of Y fk O <br /> ` 23 Jj <br /> CI. <br /> ... 24 <br /> Sp SILTY SAPID, medium brown, mist, loose to nOdiun <br /> 25 dense <br /> ' 26 <br /> �o <br /> 28 SP SILTY SAND; strong brawn (7.5YR 5/6) fine to medium <br /> ^� grained, subar:aular-subrounded sand, 5$ mafic min- <br /> erals, rich in fine quartz grains, c=nm iron <br /> r 29 stains on grains, contact with lower unit is grad- <br /> 10medi.Lan dense, no product odor <br /> 14 ational. overicm, damp, <br /> 30 36 SAND, gray )10YR 6/1), very coarse to fine grair:eti, <br /> subangular-subrounded sand; 5% mafic minerals, 2% <br /> 31 mica, camari iron mottling, some areas no iron <br /> stains d dense no roduct odor <br /> O 32. SILTY SAPID; clack yellaaish brown .(10YR 4/4), very <br /> ' silty (30-40%), very fine to medium grained, sub- <br /> "` 33 rounded sand. 3-5% mafic minerals, fine matrix fill <br /> 4uct <br /> ing, minor icon mottling, darl>Q, dense, no pry <br /> 34 14 odor <br /> lS SP SAND; light gray (10YR 7/1), fine to median grained. <br /> 35 22 subangular to subrounded sand, 3$ mafie minerals, <br /> Leper pardon of sale Contained lea thick layers <br /> 36 Of iron stained sand, lower port <br /> ion has �Y minor <br /> iron staining, danp, medium dense-dense, friable. <br /> 4 37 7 no product odor <br /> j 12 @37-38' sand has very fine laMina�e of mica h0riZon- <br /> �" 38 15 tt�l1 oriented <br /> 5APIDX SILT: zvddish brown (2.5Y 5/4) very fine grain <br /> 39 ed sandy (10-15%) silt, cannon iron stains, horizon <br /> tal layers 0.5-1cn thick, contact between SP and HL <br /> is CM wide layier of-sandy-(20%)-silt, Sase�.of --- - - - ---- -- --- <br /> fa this intexmedate layer is iron cemented with at <br /> 41 least one open (1.5en diameter) reothole, cl'Wove <br /> � 1 <br /> tiff-hard, no product odor <br /> � • 42 Hottcm of boring at 38.5 feet <br /> 43 <br /> ; 44 <br /> r <br />