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V 1� P � t L' LEGEND MAN -MADE FILLS FOR CONSTRUCTION OF ROADS AND BENCHES. FILLS CONTAIN MIX OF LOCAL COLLUVIAL SOILS AND EXCAVATED BEDROCK. THIN VENEER OF FILL MAY - -- LOCALLY COVER BEDROCK OR COLLUVIAL SOIL. COLLUVIAL SOILS UNDERLAIN BY MESA VERDE FORMATION OR MANCOS SHALE. CLAYEY SOILS CONTAINING SIGNIFICANT PERCENTAGE OF PARTLY SUBANGULAR COBBLES AND BOULDERS OF BASALTIC ROCK. I I IT ITI' 1 1 1 1 1 1 1 I'I;I;I(I;I;I;I;I;I'I CUTS IN COLLUVIAL SOILS I,I,IIIIIIIII IIIIIIIII CUTS AND, TO A LIMITED EXTENT, OUTCROPS OF SANDSTONES ollu OF MESA VERDE FORMATION. BOREHOLE DRILLED AS PART OF ROCK SLOPE ENTRY PORTALS INVESTIGATION (1986 AND 1987). 80REHOLES AND TEST PITS COMPLETED DURING PHASE It GEOTECHNICAL INVESTIGATION (1981). �-25—� ESTIMATED FILL THICKNESS AT SELECTED LOCATIONS. NOTES. 1) GEOTECHNICAL CONDITIONS DOCUMENTED B f FIELD MAPPING FOR RECLAMATION PLAN, JANUARY, 1983. 2) FILL THICKNESS CONTOURS ESTIMATED BY COMPARISON OF ORIGINAL AND CURRENT TOPOGRAPHY. 3) SIGNIFICANT QUANTITIES OF BASALT COBBLES AND BOULDERS MAY BE PRESENT THROUGHOUT COLLUVIAL SOILS. 1) BEDROCK CONTACTS ESTIMATED IN ROTARY BORINGS (RS -5 AND RS -6) MAY NOT BE ACCURATE. 5) NO GROUND WATER ENCOUNTERED IN ANY BOREHOLES WITHIN COLLUVIAL SOILS. BORING LOGS RECORD OF BOREHOLE L, -I BORING DATE LOCATION ELEVATION .11.11 CLSSSI- FINTION STRATA PROFILE SAMPLES NW i W A. W O DESCRIPTION u O 0 0 Y N w m 2 w Y w O m W ¢ % FINER NO. 2 D ID l' DAY i fl1 J. INNIS j r 1 0' igi IM: 1 01 11,111\11 O as i'.I. I RFLIiL I NINE '1111 BHDHt 71 ayey h& .T u'ilh 1j M"It t1 tIT711%1 I Cl vvlw fib" to txEl T t,'w11I 1, [ m)1 OI'e4 1 wuf l I I I neryc nt 13av61t Cobbles ljjyi 1 Gi1a: I � � III ' I PJ uc. 1 �II 01114 J I. 1.1 t;l,.. .. u.. 1. 20 - IL 1.: T.) xl nl - n..lrnlTa nenis J I /t C) O1I41M1 [it ' =1 - LELL Iti KEY TO BOREHOLE LOGS ICUI CUTTINGS SAMPLE DO OPEN DRIVE CALIFORNIA SAMPLE �CO,'I HO CORING RECORD OF BOREHOLE 1 5 BORING DATE "'I -',e LOCATION Id3f rl V L11:i1. "F L ELEVATION 7163.5LTt .11.11 CLSSSI- FINTION STRATA PROFILE SAMPLES < mw NLL x x d_ W O DESCRIPTION V O m m O fJ Y m ¢ i Z Y EQ Y ¢ O W m % FINER NO. 2 D ID l' DAY i fl1 J. INNIS j r 1 0' 1 01 11,111\11 O as ROOM I NINE '1111 BHDHt 71 ayey h& .T u'ilh 1j :5 Cl vvlw fib" to txEl t,'w11I 1, [ m)1 OI'e4 1 wuf l I I neryc nt 13av61t Cobbles ljjyi 1 � 1 20 - IL T.) xl oonrY� &. ... and Ca +xl frlc- 0 nenis J I /t C) O1I41M1 [it ' =1 - u Iti alit a,HPI Slit, Il l -111 . SI W .0 I ' 1 RYTh let mr t Ll :JI c WDILI. 12 RI Ill. 1Y /(v1 LJ 4..1I '1 I .1 IIIVIueRArinVk l:J IX) it, 1,, 1:111. li R' DF illi1. Sll.'IS E I I — c 95 - - - - - -- IG Tv al If. N tiANDSIM], 1411. IlRhl ll' I:Hrollloll, Silly 17 t1' t, U'. O D'I a l IA+Pih G0.0 rt AI RECORD OF BOREHOLE BORING DATE :"I LOCATION ELEVATION -,*131 .11.11 CLSSSI- FINTION STRATA PROFILE •1TERBEP0 L1PIT6 OPAIN 612E ON DESCRIPTI — —moil LL PL IH t FINER HOA 81 EVE % FINER NO. 2 D ID WET DAY i INNIS 1A.,1 I4. /� ILI 1 01 11,111\11 ROOM NINE VON 100011 ME 0 la hI R.4-_ 1' -1111 1n %" - _ I_. 1 'Ih:. Iw1 MIr 6Y I Ilia II'� Y L. -u1, 'c ,.. T m I I C,,11 I m /Ik II uk I �c1 �1 m 111 .lx b.] bv.ol m l llvl�nl pARClw1 vYUCY J 11 �I � I I •�fl... - llP. �] ��F 14AR 271987 MINED LAND SUMMARY OF SOIL DATA BOPINO NO. 6AMPLE HO. SAMPLE DEPTH .11.11 CLSSSI- FINTION NCI OP/.L M016TUPE • •1TERBEP0 L1PIT6 OPAIN 612E VNIT .121..' Pcl LL PL IH t FINER HOA 81 EVE % FINER NO. 2 D ID WET DAY i 1A.,1 I4. /� ILI REVISI I DESCRIPTION l BY I DATE ' T -� DRAMA BDL CHECKED GM IIIII 11�7 ■■1l ■■ IIR V\ PI 111 I■ R 1111 111111/ ■�I11111 ■ ■� ..111Ildmmm 1v {IIIm'Isl ■ 1 {Rmmm�s {11mmI■■_ II 111111 I d R II I ■� IIIIII ■III�yRO .. �oniZ+'�11=�N■ pp11■nR1 ■■emu ■. � IIIM�� 1 R'IN■■ PIII N�11• NIIm�R IBllm� ■ ■I�IIil1Im�� p EYN IINII ■ ■III III■ IIIIIN: IRmm n 4i11� m1. Rim kgr m�N ■1... 1nm' Illln■ NRIn �M i1 N■■ INII 111"w IIRIn ■I� 1111 III■1■■ In Y�R O''I1I,1,■■ INIMN ■N�:!NO.■ Illln a� '11111 tl1lmWmt� IN{II�ImINVllb \�a NIIIN ■ ■� .11�1��I�I ■ ■1 ��IN■I� Itl ,1 ■ IINII:R!■ IIII IIII■ .i {iA NI {{{ m: ni■ � { {imimml�� { { {mmmsc..r��. {ih� =ie IIIII■ ��ppI�■RNI■ ■_Id111N ■p Ilpmml ■ ■�NIi:�■■h7 Illn,■ ■e1 R1 �■Ilmm■a11111IN illm um=l{OIIm��l�llml�� nn .■ mm�nll ■ml.n■■uln1.■■�mmiii� COLORADO WESTMORELAND INC. P.O. BOX 1299 PAONIA, COLORADO 81428 acl SLOPE (nivTRIES bfSIGNs - =h'EF F % GEOTECHNICAL CONDITIONS SCALE I11= 100, DATE 3/27/87 REVtEMED PGS -- -- JOe ■o 873 -2071 DMB No 2 OF 7 Golder Associates FI&Jm 2 1 111111 I I I I I I� I I I I I 1 111111 I I I I I I I I I I I I I 09475