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<br />HYDROGEOLOGIC LOG FOR GAR-33 <br />BARCLAY RIDGE -- SECTION III <br />LOUDOUN COUNTY, VIRGINIA <br />Project: Barclay Ridge -- Section lII Casing Depth: 66' Casing Stickup: 1' <br />Driller: Singhas & Michael Corp. Casing Thickness:.188" <br />Date Drilled: //12/01 Depth Drilled:300' <br />Drill Rig Type: Air Rotary Depth to bedrock: 20' <br />Well Diameter: 6" Air-lift Yield: 50 gpm <br />Latitude: N 38 ° 59'34" Longitude: W 77 ° 36'26" Grout Type (Depth): Bentonite (60') <br />Virginia Planar Grid Coordinates: E 2,253, 777 N Loudoun County Permit #: 1774 FW 00 <br />Depth AIR-LIF Graphic <br />(feet) YIELD * Log Descriptive Log <br />(gpm) <br />0 <br />zo <br />Casing <br />O' - 20': Saprolite. <br />ao ~~ 20'-300': Reddish-brown, fine-grained, poorly to moderately bedded sandstone interbedded with a <br />60 :: grey medium-grained sandstone. <br />so <br />100 <br />1zo <br />1ao s 140': WATER-BEARING ZONE: 5 gpm. <br />^ ~t,'j'~ QF <br />" <br />"`- <br /> <br />160 <br />180 ~ <br />~~ <br />~ <br />~ ~~ <br />200 <br />22o <br />240 to Q <br />220': WATER-BEARING ZONE: 5 gpm. ~ ~~~ ~, <br />~• <br />~ <br />260 50 D. <br />Ph <br />~ <br />TLE <br />zso • <br />275': WATER-BEARING ZONE: 40 gpm. <br />~ <br />DCAS <br />U <br />300 300': Final depth. <br />* Yield determined during drilling of 6" test well. <br />O <br />LEGEND ~~' <br />SAPROLITE: Residual products of in-situ weathering of bedrock. <br />SANDSTONE: Reddish-brown, poorly to moderately laminar bedded, calcareous, mostly fine-to medium- <br />grained sandstone. Interbedded with a grey, medium-grained, poorly bedded sandstone. <br />® WATER-BEARING ZONE: Where yield of well increased. <br />GAR Iogsxls;GAR-33 Page I Emery and Garrett Groundwater, Inc. <br />