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Well ID: 4 Driller: Singhas & Michael Corp. Grout (tt): 78 <br /> Permit N: 720079030001 FTW Drill Method: Air Rotary Riser Height (tt): 1.8 GeoTrans, Inc. <br /> 46050 Manekin Plaza, Suite 100 <br /> Project: Black Oak Farm Completed: 5/9102 Est.Yfeld (gpm): 1.5 <br />Sterling, VA 20166 <br /> Project st: L466-000 Well Dia. (in): 6 GS Elev (tt): 575 (703) 444-7000 <br /> Client: Chatfield-Taylor Well Depth (tt): 600 WL Elev (tt): 574.90 <br /> Location: Loudoun County Casing Depth (tt): 83 WL Date: 6/18/02 <br /> Fasting (tt): 2211434 Northing (tt): 523890 Geologist: T Rogers/R. Cohen <br /> Depth Tye ~ Yield Description of Rock Cuttings Well <br /> (feet) Info. Construction <br /> Ground Surtace <br /> 0 Overburden <br /> ML - Li ht brown 5 YR 5/6 <br /> 20 - <br /> 40 x <br />--- <br /> 60 - - <br /> - - - <br />X Medium bluish gray (5 B 5/1) to dark greenish gray (5 GY 4/1) greenstone. <br /> 80 - - <br /> 100 __ 1.5 I I <br /> - - I I <br /> 120 <br /> 140 - <br />- Greenish gray (5 GY 6/1) to greenish gray (5 G 6/1) greenstone, with traces of marble. I I <br /> _ _ II <br /> - ~ <br /> 160 - <br /> -- <br />Gray yellow green (5 GY 7/2) greenstone, with interbedded clear quartzite. I I <br /> - - <br /> 180 <br />--x I I <br /> 200 _-_- I ( <br /> <br />220 - - <br />_ _ II <br />I I <br /> 240 = -x I I <br /> 260 I I I <br /> <br /> 280 _- - <br /> -- I <br /> 300 _ _ I I <br /> 320 - - I I <br /> <br /> 340 i I <br /> I I <br /> 360 - - II <br /> 380 - - I I <br /> - - - Medium bluish gray (5 B 5/1) to dark greenish gray (5 GY 4/1) greenstone <br /> 400 - - I I <br /> 420 <br />_ <br />II <br /> <br />440 <br />- - ~~ITH ~~ <br /> 460 _ ~ /~ <br /> _ _ ,~ <br />6'~ <br />~ <br /> <br /> aso _- ~ I <br /> - COMEN <br />R08 RT M <br /> 500 - <br />-x - , <br />Na. 659 <br /> 520 _ _ <br /> I I <br /> 540 _ _ ~ ~ I I <br /> 560 =_ I ( <br /> <br />580 _ <br />_ = II <br /> . <br /> 600 7 <br />