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HYDROGEOLOGIC LOG FOR PKL-1 <br />BISHOP'S GATE SUBDIVISION <br />LOUDOUN COUNTY, VIRGINIA <br />Project: Bishop's Gate Subdivision Casing Depth: 71' Casing Stickup: 2' Casing Thickness:.188" <br />Driller: Singhas and Michael Corp. <br />Depth Drilled: 470' <br />Date Drilled: 11/8/04 <br />Depth to bedrock• 25' <br />Drill Rig Type: Schramm Air Rotary <br />Static Water Level: 3/. /8' <br />Well Diameter: 6" <br />Airlift Yield: SO gpm <br />Latitude: 39°9'53" Longitude: 77"42'46" Grout Type (Depth): Benseal (65) <br />Loudoun County Permit #: 740148520001 <br />Depth Air-Lift Graphic <br />(feet) Yield* Log Descriptive Log <br /> ( m) <br />~ Casin 0' - 25': Saprolite. <br />10 <br />20 <br />30 ?~' - 140': Dark ~~reenish-gray, fine-grained, moderately foliated greenstone. <br />40 <br />50 <br />ti'-: <br />60 <br />70 <br />80 <br />90 ,~ ~~~,~' k' <br />100 ~`~ <br /> , <br />ti•~ <br />y <br />k~~' <br /> <br />12 ~ +k <br />y <br />. <br />'~~'~~ :°:`- <br />130 <br />140 ~ <br /> <br />150 140' - 470': Dark gray, medium- to coarse-grained, moderately foliated biotite granite gneiss. <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 />330 <br />340 <br />350 <br />360 <br />PKL Bedrock well Iogs.xls;PKL-i Page 1 Emery c~ Garrett Groundwater, Inc. <br />