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.140 • R. T. CHEW, Ilf • <br /> <br />IiN1'lIiONAIIiN•I•AI, fUNtiII11Sli,\'I'IIINti <br />I'hc 0X1' in srm shale nil prnrrss causes winimuw <br />surf;u~e dislur6ancr 1rer;tnw: th~•rc is nn surface retort. <br />lS~hrrc ncress In Ihr oil s6alr ran be nchirvcd Gom an <br />oulrngy 16e only surface disturbance enncisls of n road <br />In the mine adil, a parking tut, and an Af~FO plans. <br />1S'hent access must Lc by shafts, shall head frames alto <br />will he n•rpiircd. <br />The minrd raw ail sL:d~•. has a uvdimt Ji:uuclcr of about <br />(r in., whereas sprnl oil s6nlc Ici= a di;uncler n( ono-eighlh <br />in. nr L•ss. •(he mined rnrk will rnnlain reboot l0 got/Ion <br />n( nil and is considrrcd Lr br. brlnt+' Ihr rtdn(j pniul for <br />nia rkctablr ore; it must be slunvl in Incas canlrnts. '(hr <br />ruck ^s minrd rlosrll~ r.•scni Llcs 16x1 an the natural <br />tams conr~ and shrcls of nil shale which orcur along the <br />Ilnan ('.lilac. 1{evrgclalion wills nalitc and!nr introduced <br />spry irs pnd~a Ely ran be accnmpli~hrd rradily on the sur- <br />Iare n(. t6r di=pnsa{ pile to the ~anir rytr•.nl ac s•rgeta lion <br />nrcurs naturally on the slopes and toes a( the disposal <br />pilrs. <br />Ground realer has nut 6ecn a yruhlem in the pilaf <br />Idanl oln:ralions on the U. A. $haloCallahau Trust lands; <br />hnwes•er, if the prnrrss were l0 6c usrd in the interior <br />of Ilic I'i~'r;uu'r (:rw•k ha~in, gmuud~watcr c~~ndilimts <br />tonnld hove lu br cnusidrn•d. Pnrdurlion panrls would <br />hove In Lc drw~nlra•d prier In fnrmiug the rrtorl and <br />krill dry during mlorliug. 1'hc +ca6•r would he reinjected <br />into Ihr santr. (onn:dion down the 6ytlrulugic grade Iront <br />thr, mining aperallun from wLic6 it rcas taken. The ore <br />intrrval in the nLdinganv Icdgc has very low transmis- <br />sieily. Arluih•rs ncrur above the A-groove at the lop <br />of the Mnhngany Irdge and well below ILe Mahogany <br />Irdge in Ihr dreprr earls ..f the Pararhulc Creek Mrm6er. <br />The Mahogmiy Irdge iLrlf is c=rnlially iugtcrmeahlr, so <br />Ihnl- grnuud wa6•r is nnl c~prclyd In umce through <br />n Landnucd rrturted areas ;wd hark info the ground-water <br />rcg i m r. <br />Flrrlnral rnrr~y for the process will he derived Irom <br />burning the gaccc rm illyd during retorting, Pinal emir. <br />sirens from a pn~rhp•linn nprralinu arc rzprrlcd In consist <br />+( rarb~m dinridr rend water, with ronccullaliuns u( othrr <br />g;is~~s and p;mlirul:rlc mnllrr well within stale and national <br />stanJ^rd. L.r safe rmis~ion. <br />A labor Inrrr of about 611(1 prrsnns will he necessary <br />L. pmdurr. 10,(1011 hbls oil err rlay where shafts muss <br />be a=ed L. mach the ore. Prover persons would he needed <br />where ar.+:ess is gained from an outcrop. <br />nchn(t\~' f.r;ncnth:ivPS <br />Itmi tiharklcnc prrparcd the illustmtinns and rlid <br />Ihr ph~~tngruphv for Ibis paper. nlarncy Gaymon tram <br />srri brd lhr ;ud6nr's jumhlyd dictation. Vickir, Dennelt <br />rrml hi= ~rrawlcrl r6angrs nod h'prrl the Gnishrd manu- <br />srrilH. r111 nrc hrn•be thanked (nr grniug the Goal copy <br />In the rdilnr after lhr author dcparlcc4 mt one of his <br />nuntrruuc junkr•IS, <br />-cl•:rh:arivch: cl~cu <br />fe=himi, \C. 14.. and Ilnnnrll. J. R, 1n7M1, Rrvi=inn of nrm.nclentre <br />of stir upper yart of thr Cn•rn Ri.~+•r Formation, pitta nrc <br />I;n.~k Lacin, I:nloradn, oud rnsirrn Uinln basin, Uteh: U.S. <br />Gcnl. Survey (lull. 139M1~C. 9 p. <br />:~ ~ ~~~~ ~1 ~ ~ ~~ , <br />l <br /> <br />a~ <br />~. . <br />• ~ ~~ ~ ;., ..r, <br />~.~~ ~' <br />(iiC~4ev',D Nu d q ~ e,t' <br />Figure 7. Garrett Research and Development Co. sur- <br />face installation. <br />