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HYDROGEOLOGIC LOG FOR PKL-11 <br />BISHOP'S GATE SUBDIVISION <br />LOUDOUN COUNTY, VIRGINIA <br />Project: Bishop's Gate Scrbdivisiai Casing Depth: 78' Casing Stickup: 2' Casing Thickness:./88" <br />Driller: Singhas and Michael Co, p. Depth Drilled• 380' <br />Date Drilled: /1/9/04 Depth to bedrock: ?0' <br />Drill Rig Type: Schramm Air Rotary Static Water Level: 25.9' <br />Well Diameter: 6" Airlift Yield: 25 gpn, <br />Latitude: 39 ° 9'50" Longitude: 77° 42'50" Grout Type (Depth): Benseal (73'i <br />Loudoun County Permit #: 740148630001 <br />Dept Air-Lift Graphic <br />(feet) Yield* Log Descriptive Log <br /> (rpm) <br />0 Casin 0' - 20': Saprolit~~. <br />10 <br />20 <br /> ~- 20' - 40': Dark greenish-gray, tine-grained, moderately foliated greenston~. <br />30 <br /> <br />40 <br />50 40' - 380': 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 2 160': Water-bearing zone: 2 gpm. <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 />PKL Bedrock well Iogs.xls;PKL-l 1 Page 1 Emery & Garrett Groundwater, Ii1C. <br />