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Q7 i FIGURE C.J T `L I - 'l t� V Z -, OBSERVATION HOLE 80_04 o Q HYDROLOGY PROGRAM u.i n z� r, Leonard Rice Consulting Water Engineers, Inc. OBSERVATION HOLE CONSTRUCTION Ile 922 923 980 n8 989 159; G -0 , GEOPHYSICAL LOGS GAMMA BULK RAY DENSITY (sgu) ( g /cm3 ) 0 200 6000 0 I i i I � f i NORTHERN COAL COMPAN` MEEKER 8 RIO BLANCO COUNTIES , COLORADO SEC. 27,TWP 2N,RNG. 93W OCTOBER, 1980 NCCOI GEOLOGY LOG (DEPTH ADJUSTED) bed Siltstone, calcareous, sandstone V 300 "� :_c lenses, argelaceous in points — n. I •f: T Shale, slightly calcareous 1 Sa��stone sli tl friable and i• '•y calcareoub, cop wringer i - = e Shale, silty with sandy lenses• slightly calcareous, siltstone m stringers, some carbonaceous ma- terial, coal zone 400 Sandstone, calcareous y j ;•� Siltstone, calcareous { Sandstone, calcareous UP Coal Carbonaceous shale, sandy • Shale, coaly stringer, trace car- -C�AL UP —� bonaceous Sandstone, calcareous _ • Shale, sandy, slightly calcareous, 'L carbonaceous material P 500 - Coal ...... Siltstone, calcareous, sandstone i•• lenses, trace carbonaceous Shale, sandy, carbonaceous, trace 1 coal Sandstone, friable, calcareous, •••••ov. argelaceous stringers Shale, silty to sandy, trace car- 0 b l t i F IE L � -- I f \ CALIPER onaceous cos r s nger 4)}f (inches) i Siltstone, calcareous, sandy in m parts N Shale, sandy Shale, silty to sandy, with thin G.L. 1 M Siltstone cal1 areou sandy in LJ o Soil, Alluvium points with th�n coa� zone )) ,— Shale, sandy j c _ Claystone, oxidized stringers 9 — = _— sandy zone Shale, sandstone lenses, thin coal Shale, sandy, calcareous © lense and coal stringers 700 .a 100 } Sandstone, friable, slightly cal - Sandstone, slightly calcareous, "• ccrous, argelaceous at base, ' shale stringers, coal zone trace carbonaceous, shaley zones Shale, interbedded with sandstone, S Shale, silty to sandy ' �- Siltstone, sandy stringers, cal- _ ' Sandstone, friable, water flowing, KR slightly calcareous feet, LOST CIRCULATION AT 1005 2 �1 Siltstone, calcareous, argelaceous FEET, POOR SAMPLES BELOW stringers 800 Siltstone, slightly calcareous, ;' X 200 Coal stringers Sandstone, slightly calcareous, f y ••�•• argelaceous Shale, coal and carbonaceous istringer, sandy, some water flow- Sandstone, slightly calcareous, aceous Sandstone, calcareous I ing Wg 4 Lim Shale, sandy 1100 Coal, slightly shaley Sandstone, slightly friable and _ �,. calcareous with coal stringer and bed Siltstone, calcareous, sandstone V 300 "� :_c lenses, argelaceous in points — n. I •f: T Shale, slightly calcareous 1 Sa��stone sli tl friable and i• '•y calcareoub, cop wringer i - = e Shale, silty with sandy lenses• slightly calcareous, siltstone m stringers, some carbonaceous ma- terial, coal zone 400 Sandstone, calcareous y j ;•� Siltstone, calcareous { Sandstone, calcareous UP Coal Carbonaceous shale, sandy • Shale, coaly stringer, trace car- -C�AL UP —� bonaceous Sandstone, calcareous _ • Shale, sandy, slightly calcareous, 'L carbonaceous material P 500 - Coal ...... Siltstone, calcareous, sandstone i•• lenses, trace carbonaceous Shale, sandy, carbonaceous, trace 1 coal Sandstone, friable, calcareous, •••••ov. argelaceous stringers Shale, silty to sandy, trace car- 0 b l t i F IE L � -- I f \ I I onaceous cos r s nger 4)}f 600 i Siltstone, calcareous, sandy in parts N Shale, sandy Shale, silty to sandy, with thin coal zone 1 M Siltstone cal1 areou sandy in LJ 900 points with th�n coa� zone )) — Shale, sandy j Sandstone, calcareous Shale, sandy in parts, carbonaceous L Shale, sandstone lenses, thin coal © lense and coal stringers 700 .a } Sandstone, calcareous, siltstone Sandstone, slightly calcareous, " ' lenses, argelaceous stringers ' shale stringers, coal zone Shale, interbedded with sandstone, S ' �- Siltstone, sandy stringers, cal- _ ' careous, shaley KR Coal, clean feet, LOST CIRCULATION AT 1005 2 �1 Shale, silty to sandy, slightly FEET, POOR SAMPLES BELOW calcareous, trace carbonaceous 800 Siltstone, slightly calcareous, ;' sandy in parts, argelaceous stringers + f y Shale, sandy, scattered carbon- Shale, sandy, trace carbonaceous Sandstone, slightly calcareous, aceous Sandstone, calcareous I K � Lim Coal, 3 feet shale parting i i i ( 1 D1 u8 A 1300 Siltstone, calcareous, sandy strin- gers Shale, sandy in points ;•;•'•' Sandstone, calcareous Siltstone sandy argelaceous in parts Sandstone, slightly friable, car- bonaceous zone, carbonaceous shale zone 1 1400 Coal, clean Shale, carbonaceous zone, sandy Sandstone, trace carbonaceous • Shale, coaly stringer Shale, carbonaceous, coal. stringer a. 1500 .s Sandstone, slightly calcareous, trace carbonaceous • Shale, sandstone lenses, calcareow 1 in points, carbonaceous zones I � Coal, slightly shaley • Shale, slightly carbonaceous, sandy stringers ;,j;, Siltstone, sandy, trace carbon - 1600 aceous, sandstone lenses I I Shale, sandy Sandstone, calcareous Shale, sandy LJ 900 Coal Carbonaceous shale Shale, sandy in parts, carbonaceous trace coal } Sandstone, calcareous, siltstone " ' lenses, argelaceous stringers ' Shale, interbedded with sandstone, - y calcareous, shale zone 1000 Coal, slightly shaley in lower 3 — feet, LOST CIRCULATION AT 1005 2 �1 FEET, POOR SAMPLES BELOW Carbonaceous shale ;•:� ' Sandstone, calcareous Shale, sandy y Siltstone, calcareous Shale, sandy, trace carbonaceous Sandstone, slightly calcareous, I argelaceous zone Lim 1100 Coal, slightly shaley _ �,. Sandstone, slightly calcareous, 1.•, argelaceous zones Carbonaceous shale ` F2 Coal,lslightly carbonaceous in F� parts —_ Siltstone, shaley zone, sandy in i parts, carbonaceous stringer y Sandstone, argelaceous stringers, ' slightly friable 12� • Shale, carbonaceous in points, sandy stringer UD Coal, clean Siltstone, argelaceous zone, sandy stringers Shale, sandy trace carbonaceous D 2 Z Coal, clean D1 u8 A 1300 Siltstone, calcareous, sandy strin- gers Shale, sandy in points ;•;•'•' Sandstone, calcareous Siltstone sandy argelaceous in parts Sandstone, slightly friable, car- bonaceous zone, carbonaceous shale zone 1 1400 Coal, clean Shale, carbonaceous zone, sandy Sandstone, trace carbonaceous • Shale, coaly stringer Shale, carbonaceous, coal. stringer a. 1500 .s Sandstone, slightly calcareous, trace carbonaceous • Shale, sandstone lenses, calcareow 1 in points, carbonaceous zones I � Coal, slightly shaley • Shale, slightly carbonaceous, sandy stringers ;,j;, Siltstone, sandy, trace carbon - 1600 aceous, sandstone lenses