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HYDROGEOLOGIC LOG FOR PKL-12 <br />BISHOP'S GATE SUBDIVISION <br />LOUDOUN COUNTY, VIRGINIA <br />Project: Bishop's Gate Subdivision Casing Depth: 7/' Casing Stickup: ?' Casing Thickness:./88" <br />Driller: Singhas and Michael Corp. Depth Drilled: 360' <br />Date Drilled: 11/5/04 Depth to bedrock: 25' <br />Drill Rig Type: Schramm Air Rotary Static Water Level: 37.63' <br />Well Diameter: 6° Airlift Yield: 1 S gpnr <br />Latitude: 39°9'48" Longitude: 77°42'53" Grout Type (Depth): Benseal (6~'i <br />Loudoun County Permit #: 740148670001 <br />Depth Air-Lift Graphic <br />(feet) Yield* Log Descriptive Log <br /> ( m) <br />0 Casin 0' - I5': Saprolite. <br />10 <br />20 ~ =`'~, 1 ~' - 40': Dark greenish-gray, fine-grained, moderately foliated greenstone. <br />30 <br />40 <br />50 40' - 240': Dark Gray, medium- to coarse-grained, moderately foliated 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 3 , 180': Water-bearing zone: 3 gpm. <br />190 ~ <br />200 <br />210 <br />220 <br />230 <br /> <br />240 240' - 300': Greenstone. <br />250 <br />`` ` '. <br />260 4 <br />,,,. ~: <br />270 ~'* <br />280 ~ ;,'~,~,~"` <br />290 ;,~~;~~ <br />~ <br />; <br /> ,, <br />, <br />300 300' - 360': Biotite granite gniess. <br />310 <br />320 <br />PKL Bedrock well logs.xis;PKL-12 Page 1 Emery & Garrett Groundwater, Inc. <br />