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FIGURE RECEIVIE OBSERVATION HOLE 80 -01 MAR 06 198 HYDROLOGY PROGRAM CONS. DIV.. usGs DD MIS :O. �•l�- JULY 1980 Ird Rice Consulting Water Enomers, Inc. OBSERVATION HOLE CONSTRUCTION P-U - P IG W PACI PERF V P- URD- JITOF NE .E 3 F PACK DERF- G- )RD- 1 GEOPHYSICAL LOGS GAMMA BULK RAY DENSITY (sgu) ( 9/Cm3 O 120 200 1 1 1 6000 1 u CALIPER (inches) II" 6" > Inlu G.L E I. GGi UF2 i I I I i Fl�- CCIA4 FF i li i 1 rA X W 14 i,1" NOW 1200 1300 Client: Northern Coal Company Project: Meeker,Rio Blanco Co., Colo. Location: Sec. 22 Twp. 2N Rpe.93 500NCC0I , GEOLOGY LOG (,,DEPTH ADJUSTED) Sandstone, calcareous with trace p rn m °o X r- CD �yq n n z --+ M 0 M (Z- m •� M - u c gZl�aiurw� - - - -- - -- �a�sto�, so< silty oxidized stringer 5 Astone, My, some argil - stringers, coal stringers J5a®ous zones ®- = ce Z. Shale Shale. siltytcoal stringer Ll Sandstone, calcareous ,kale, sandy in upper ten feet, coal stringers in lower ten feet Claystone, siltstone stringers y' Siltstone, calcareous Shale, soft Sandstone, argillaceous, calcar- eous, friable Shale, coal stringers, sandy }•.•,� Sandstone, coal stringers, calcar- eous Coal, brittle • Shale, silty, trace of carbona- ceous, coal stringers, some and Shale, carbonaceous stringers, silty Carbonaceous shale, coal lens and some shale m Shale, calcareous sandstone lenses trace carbonaceous stringers No samples Siltstone, calcareous, thin sand stone lenses, shale stringers, i. trace coal No samples Shale, sandy SW Shale, coal stringers Shale, silty, minor sandstone lenses, , trace carbonaceous and coal Shale, soft Shale, calcareous siltstone lenses, sandstone lenses Shale, carbonaceous stringer, m trace coal Sandstone, slightly calcareous, .-r. carbonaceous, shaley zones I. m Shale . sandy zone, thin calcar- eous sandstone lenses, trace coal, trace carbonaceous Siltstone, slightly calcareous, some shale zones, sandstone traces Shale, siltstone stringers, sand- stone lenses, minor carbonaceous stringers Sandstone, slightly calcareous carbonaceous • Shale, sandy, carbanecus string- ers trace coal, calcareous sand- stone lenses - Skr8+e- with- eea -1._- © Shale, friable, siltstone string- = 1 ers, sandstone lenses, some minor carbonaceous stringers �e Shale, slightly calcareous Sandstone, slightly calcareous, hhaley Shale, rarbonaceous l " " Sandstone , shalt lenses, traces •,�' calcareous; caronaceous grading r, to shale Shale, calcareous lenses Sandstone, friable, calcareous, shale stringers - o Shale, friable, siltstone stringers Sandstone, friable, silty, minor carbaneous, slightly calcareous Shale, trace calcareous sand Sandstone, slightly friable, slightly calcareous, minor carbon- _ aceous, minor coal stringers _ 0 Shale, friable, slightly carbon - 1 aceous at top grading to slightly, calcareous sandy shale Sandstone, calcareous, siltstone zones, trace carbonaceous and coal stringers Shale, coal stringers ;4•:•; Sandstone, friable, slightly cal - careous, some carbonaceous Shale with sandstone, friable, _'+• slightly calcareous, minor car- = m bonaceous stringers, coal tra(es, carbonaceous stringers. Siltstone • zones. Shale, slig:.'.',y bentonitic, thin carbonaceous stringers grade •o sand , basal coal stringers D Shale, friable, hard sixty zones, sandy zones, coal zone Slime, friable, cOai zone Siltstone to sandy, slightly cal - -A,• careous IMM Shale, sandy, coal zone at top n Shale, silty to sandy, minor cal- _— careous siltstone stringers, trace carbonaceous ° Shale, sandy with siltstonc stringers trace coal stringers, trace carbonaceous i•.••• Siltstone, argelaceous zones, some sandy stringers, trace car- bonaceous,coal traces 1= Shale, silty to sandy with few siltstone zones, trace carbona- ceous, especially ir, lower 10' Sandstone, friable, trace carbon - aceous,coal zones Siltstone, slightly calcareous, calcareous siltstone or limestone stringers 2 feet thick grading to " argelaceous downward Coal, possible carbonaceous stringer a Siltstone, calcareous, zones sandy shale interbedded, very hard zone - T I Sandstone, calcareous with trace 16 00 , � Siltstone, slightly calcareous, trace carbonaceous zones , coal ,�.�t,/ of carbonaceous, trace pyrite, N __ Glass [I Revision .___.__ Siltstone, slightly calcareous, - - - -- coal zones, calcareous siltstone .r.. stringer ❑ Bond O Enforcement ❑Inspection i. stringers, coal stringers trace calcareous at top 3 1400 Shale. siltytcoal stringer Ll .. Siltstone, calcareous, sandy zones Shale, calcareous siltstone - 1800 — Coal Shale, slightly calcareous, silt - Coal, shale parting stringers, trace carbonaceous If to_�AndX- with__ a trace of carbonaceous • stone stringers Siltstone, calcareous, sandy •;-{ Sandstone, slightly calcareous - zones especially in top 10 feet, .•• - ':*�+• Siltstone, ° arbonaceous thin s'ialey zones L Shale, slightly calcareous, very •• 1 .3nale, calcareous siltstone inter - be."ed, coal stringer J.-C J.-Co 1500 1 silty ” P Siltstone, slightly r.alcaceous ••• Coal Shale, sandy zones, cnal stringers Siltstone, calcareous Shale, carbonaceous, trace coal, Sandstone, friable, trace carbon- • silty lenses aceous ,;hale, sandy Ftringers, coal stringer IIIIIII VIII VIII VIII VIII VIII IIII IIII t' Permit Number Class ennit 16 00 , � Siltstone, slightly calcareous, trace carbonaceous zones , coal ,�.�t,/ N __ Glass [I Revision .___.__ Siltstone, slightly calcareous, - - - -- Typel5e9. :._._. - --- ---- -- L3 Report ❑ Hydro C3 one,aI .r.. stringer ❑ Bond O Enforcement ❑Inspection trace calcareous at top KIR ' Shale, calcareous siltstone - 1800 — Coal Shale, slightly calcareous, silt - stringers, trace carbonaceous If • stone stringers •;-{ Sandstone, slightly calcareous .•• „•t, Siltstone, ° arbonaceous L 1700 •• 1 .3nale, calcareous siltstone inter - be."ed, coal stringer J.-C J.-Co L ” Siltstone, slightly calcareous Siltstone, slightly r.alcaceous ••• Shale, sandy zones, cnal stringers UK Shale, carbonaceous, trace coal, IIIIIII VIII VIII VIII VIII VIII IIII IIII t' Permit Number Class ennit ` 5eco IExhibit _ _ ,�.�t,/ N __ Glass [I Revision .___.__ Siltstone, slightly calcareous, - - - -- Typel5e9. :._._. - --- ---- -- L3 Report ❑ Hydro C3 one,aI Class: Doc TI cation (Coal only) ❑App ❑ Bond O Enforcement ❑Inspection trace calcareous at top KIR i 1800 — Coal Shale, slightly calcareous, silt - stone stringers 1 Shale and coal Coals c_lean,___Parting_at top J.-C J.-Co L ” Siltstone, slightly calcareous ••• Shale, carbonaceous, trace coal, silty lenses 1900 m Siltstone slightly calcareous, trace carbonaceous, sand _ Sandstone slightly calcareous, friable, siltstone stringers, trace carbonaceous, trace pyrite Coal, slightly shaley •1 Siltstone, calcareous, scattered carbonaceous tringers L � "R';'. 2_0Q Coal, shale parting �i Siltstone, calcareous, trace car - r.... . .y bonaceous Shale, thin sandstone lenses, trace carbonaceous Sandstone, slightly calcareous c Shale, calcareous siltstone • stringers, sandstone lenses, Q Q rrace carbonaceous , J IIIIIII VIII VIII VIII VIII VIII IIII IIII t' Permit Number Class ennit ` 5eco IExhibit _ _ ,�.�t,/ N __ Glass [I Revision .___.__ --- -____ - - - -- Typel5e9. :._._. - --- ---- -- L3 Report ❑ Hydro C3 one,aI Class: Doc TI cation (Coal only) ❑App ❑ Bond O Enforcement ❑Inspection IIIIIII VIII VIII VIII VIII VIII IIII IIII