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238 239 2raQ 261 1 1667 167 i + 1736 1753 _Q L. TOP PLUG TOP OF _GRAVEL PERFORATED ZONE — BASE OF GRAVEL MIDDLE PLUG TOP OF — GRAVEL —TOP OF 0 200 6000 0 D II" 6" Go VQ 0 Y °• . n A FYuV ium Sandstone, calcareous, carbona- ceous stringer iShale, silty to sandy, coal stringer I , Sandstone I G G2 •Shale, silty to sandy G G3 100 G G, Shale .*'Sandstone, argillaceous zone on Shale, sandstone lenses U F F Shale, sandy stringer I I� I i I ' I wo BOTTOM OF PERFORATIONS —BASE OF GRAVEL , BOTTOM PLUG ! 2005 TOP OF — GRAVEL 201L 4W —TOP OF Shale ERFORATION FIGURE 202 , v — BOTTOM OF +•Sandstone, NORTHERN COAL COMPANY I �M .W MEEKER d RIO BLANCO REC *oOBSERVATION HOLE 80 -09 COLORADO COUNTIES , COLORADO Sandstone, friable SEC 93W MAR O61981 HYDROLOGY PROGRAM DECEMBER, 1980 DECEMBER, 1980 zones, sandstone lenses CONS. HIV.. uses nCMIMO, 17`111" 700 Leonard Rice Consulting Water Engineers, Inc. ' '•Sandstone, slightly friable i Shale, sandstone lenses saowYOO 1 1 JANUARY 1081 OBSERVATION GEOPHYSICAL LOGS -- GEOLOGY LOG BB .. • HOLE i �Q _ DEPTH A�7JUSTED ) CONSTRUCTION GAMMA BULK Sandstone, calcareous ' r- RAY DENSITY CALIPER -+ carbonaceous and coaly material FF -U (spu) ( g /cm3 ) (inches ) 0 a] c I i u -o �' r Sandstone, calcareous, trace _ 238 239 2raQ 261 1 1667 167 i + 1736 1753 _Q L. TOP PLUG TOP OF _GRAVEL PERFORATED ZONE — BASE OF GRAVEL MIDDLE PLUG TOP OF — GRAVEL —TOP OF 0 200 6000 0 D II" 6" Go VQ 0 Y °• . n A FYuV ium Sandstone, calcareous, carbona- ceous stringer iShale, silty to sandy, coal stringer I , Sandstone I G G2 •Shale, silty to sandy G G3 100 G G, Shale .*'Sandstone, argillaceous zone on Shale, sandstone lenses U F F Shale, sandy stringer I I� I i I ' I wo BOTTOM OF PERFORATIONS —BASE OF GRAVEL , BOTTOM PLUG ! 2005 TOP OF — GRAVEL 201L 4W —TOP OF Shale ERFORATION i'•' 202 , v — BOTTOM OF +•Sandstone, PERFORATIONS I �M .W I 206.Q TD Sandstone, friable I LFFFif LF FF � I I LFF iI i NO COAL SEEN IN GEOLOGY LOG Sandstone, calcareous, shaley zone Shale, silty Shale, silty, sandstone stringers •• Sandstone Shale, silty in points, sandstone lenses, sandy zone MI E€ .. .l •• Sandstone, calcareous i — 400 Shale, sandstone lenses i I j I Sandstone, slightly calcareous Shale DID Coal 500 Carbonaceous shale L— -- y — Sandstone, friable, calcareous Siltstone, argillaceous I I I j Shale, silty to sandy, sandstone lenses, coal zone at top I CC 600 ��IIIIIIIIIIIIIII��IIIII��IIII Shale i'•' +•Sandstone, calcareous Shale, sandy Sandstone, friable Shale, silty in points, coaly zones, sandstone lenses 700 • ' '•Sandstone, slightly friable i Shale, sandstone lenses I i 1 •' Sandstone, calcareous Shale, sandstone lenses, coal zone BB ! • Siltstone, slightly calcareous i �Q Shale, siltstone stringer, coaly Sandstone, calcareous Sandstone, calcareous, trace carbonaceous and coaly material Shale Sandstone, calcareous, trace _ - 900 '.:. carbonaceous, coal stringer, . shaley zones Shale, coal zone at top Sandstone, calcareous, friable jI Shale, grading to sandstone Coal, shaley streak •••Siltstone, slightly carbonaceous Sandstone, calcareous IOOQ Sandstone, calcareous, trace i ;•• carbonaceous Y Coal Shale, sandy in parts, sandstone lenses 0 I • Shale, slightly carbonaceous �•� ••• . Sandstone, calcareous, shale 1100 —T •.•T.•, stringers, trace carbonaceous, .- - -- , „• ,, coaly zones EM Shale, slightly carbonaceous, silty and sandy lenses ,•w•,• Sandstone, calcareous X © Shale, silty, sandstone lenses, I coal zone, trace carbonaceous i • Sandstone, calcareous 120 Shale, silty to sandy, coal zone w parting, trace carbonaceous I Siltstone Sandstone, calcareous V Coal Carbonaceous shale Sandstone " Siltstone i 1300 Shale, silty, sandstone lenses •.,� Siltstone, sandy in part, tra,�. -• carbonaceous Shale, sandstone lenses, coaly stringer .'1;..•• Sandstone, slightly friable, trace carbonaceous 1400 ...• Shale, silty, some sand UP Coal i . Shale, siltstone zone, slightly carbonaceous UP I I Coal, four feet parting i • „ Shale, silty in parts, carbona -' ceous stringer Shale, sandy _ 1500 1 Sandstone, shale zone I Shale, silty i • Siltstone 1 M Shale, sandy, trace carbonaceous _ t r 1600 L I Sandstone, calcareous, trac,• carbonaceous Shale, coal zone, carbonaceous UK Sandstone, calcareous, shaley stringer, coal zones 1 �( ?o KR - oy Shale, sandstone lenses, carbona- ceous K Sandstone, slightly calcareous Shale, carbonaceous stringer COAL Coal LJ - I9QQ_ Shale, with coal at bottom I Shale, silty to sandy, siltstone I I stringer Sandstone, calcareous, shaley j I zones, coal zone - ... I 18� • i © Shale, silty, sandstone lenses Shale, carbonaceous, sandy in j I a points H Coal a Shale, carbonaceous stringers, siltstone stringer, sandy in 02 2000 — points, coal at bottom -C L Shale, carbonaceous zone Sandstone i 1 j Shale, silty to sandy ��IIIIIIIIIIIIIII��IIIII��IIII