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HYDROGEOLOGIC LOG FOR PKL-3 <br />BISHOP'S GATE SUBDIVISION <br />LOUDOUN COUNTY, VIRGINIA <br />Project: Bishop's Gate Subdivision Casing Depth: 78' Casing Stickup: 2' Casing Thickness:.188" <br />Driller: Singhas and Michael Corp. <br />Depth Drilled: 560' <br />Date Drilled: 11// 1/04 <br />Depth to bedrock: SO' <br />Drill Rig Type: Schramm Air Rotary <br />Static Water Level: 41.57' <br />Well Diameter: 6" <br />Airlift Yield: S gpnt <br />Latitude: 39 ° 9'51 " Longitude: 77 ° 42'41 " Grout Type (Depth): Benseal (70 <br />Loudoun County Permit #: 74014856000/ <br />Depth Air-Lift Graphic <br />(feet) Yield* Log Descriptive Log <br /> ( m) <br />0 Casin 0' - 50': Saprolite. <br />10 <br />20 <br />30 <br />40 <br /> ~0' - 320': Dark <br />ra <br />medium- to coa <br />i <br />d <br />d <br />l <br />f <br />li <br />50 g <br />y, <br />rse-gra <br />ne <br />, mo <br />erate <br />y <br />o <br />ated biotite granite gneiss. <br />60 <br />70 <br />80 <br />90 <br />100 <br />110 <br />120 <br />130 <br />140 <br />150 <br />160 <br />170 <br />180 <br />190 <br />200 <br />210 <br />220 <br />230 <br />240 <br />250 <br />260 <br />270 <br />280 <br />290 <br />300 <br />310 <br />320 <br /> <br />330 320' - 340': Dark greenish-gray, fine-grained, moderately foliated greenstone. <br /> <br />340 <br />350 340' - 560': Biotite granite gniess. <br />360 <br />PKL Bedrock well logs.xls;PKL-3 Page 1 Emery & Garrett Groundwater, Inc. <br />