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<br />UNTIED STATES Serial Numbs
<br />DEPARTMENT OF THE INTERIOR
<br />BUREAU OF LAND MANAGI:MENf C-0118328
<br />Preference Right Sodium Lease .:;,Y i~ ~ .,-; LLJ7
<br />PART 1. TEASE RIGHT'S GRANTED. eras d =.Qm.••tuo avran ~.~ `T`~ ,~J _ ~ //
<br />rirt 4e ~e-rrn ~n...3.0.t19a. d.~I3II AD. tC9Z a.10:3fi~'vat a •-`~l~ lR-~n.~`C~.e.r.~r
<br />Thiskase,en[QedintobyandbetwanthefD~~,'ix'eOF~r,~ttCA.throughtheBu[rauofLandl ^~ge~~~+^,r•^•^,"•~!"~~
<br />std
<br />Yankee Guk:h Joint Venaue
<br />c/o William B. Collister
<br />6320 Easc Fourth Avenue
<br />Denver, Colorado 80220
<br />heteinafier called I:ssee, is effective JAN 1 1992 - for a period of 20 years. with preferzntial right in the lessee to renew for successive
<br />periods of 10 years undo such rams and contiitioru az may be ptssaibed by the Secretary o[ the Inrrrior, unless otherwise provided by law at
<br />the expiration of any period, and provided that the sodium a being produced in paying quantiua at the end of the initia120•year period and, if
<br />[rne'red, at the end of each suecesdve 10.ytar period.
<br />See. 1. This lease is issued pumunc and subject to the teens and provisions oC the Minerrl basing Aet of 1920, as amended and supplemented,
<br />41 Sec 437, 30 US.C.181-287, herenafter referred to az the Act: and to the mgulations and formal orders of the Secerary of the Interior whirb
<br />ate now or herrafra in fottt, spetstally including, but not limited to, 43 CFR 23 (to the same extent az if the operrtions under [his lease were
<br />smfaee mining), 3500, 3520, and 3590, when not ineonsistem with the express and spedfu provisions herein.
<br />'. Irssor, in eonsiderrtion of tents and royalties to be paid, and [he conditions and covenants [o be observed az herein se[ Earth, hertby gnu
<br />rases w lessee the exclusive right and privilege to exploro for, drill for, mine, extract, remove, beneficiate, concentrr[e, or otherwise protsa
<br />acrd dispose of the sodium deposits in the Saline Zone, hereinafterrsferred to az "leased deposits," in, upon, or under the following described lands:
<br />T. 1 S.. R. 97 W., 6th P.M. ~
<br />see.15.E'fiNW'/.,Nw'/.NW'/.,SW/SWY.,andEFSE%: Vd °~
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<br />sec 16. all:
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<br />sec 17, all:
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<br />sec 18, lots 1 m a, inclusive, Ef and E'fW'fi: ~`;_
<br />sec 21, NW'/.NE%., NW'/., and NE'/SW /., ~
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<br />containing 2401.60 atzss, mote or less, together wish the right m conswct such works, builtlin¢s, plants. swctttres, tpmeiit,~41 appiianrrs
<br />and the right tousesuch on-lease ri¢hts-0C-way which may be netasary and convenient in the ezettise of [he agha and ~vilegB ~aoted, subjea
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<br />to the conditions heteitt provided. -.. ~.~
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<br />Sec. 3. DEI7Tii 1IONS. The fo0osvmg definitions shall be used in the interpretation of this Tease:
<br />(a) "Oil Shale" is a fmagrained sedimentary rock containing organic matter which was derived ehieEly from agnatiC Ot$anlII[LS or waxy spores
<br />orpollm grains, which isoNysGghtiy solublein otdinarypetroleumsolven~s,and of whi~halargeptoportionis distillable inwaaificialpetroiettta
<br />This term is applicable to any ttrgillaceous, rarbanart:, or siliceous sedimentary rock whir![ will yield oil upon dauuaive distilluion. In this Ictse,
<br />"dtsrutave distillation" mart the process of deeomptuidon of oil shale where heat is applied m a tetttperattae at whir2r the hydrocarbons am
<br />coovared to vaptas atrd/or liquids.
<br />tb) "Saline Zane" in this (ease means the Iowa pan of the Panchum Creek Member of the Great River Fortnatian in the Picautee Creek Hasia,
<br />the top of whirJt torte is defrtreda[anypoint by [hecharataaistic "dissolution surface" and the booom of which is defineda[anypoint by the horir~
<br />'a detignared as the "Blue Marker," which forms the approximate base o[ the Parachute Creek Member.
<br />lc) :.aced deposits" means (1) all sodium compounds and any related products theteot in the Saline Zone not intermingled with oil shale
<br />averaging 25 gallons of shale oil or more pa ton of rock mined (hereinafter teferrtd to az '23 g.p.t. oil shale', such average a be determined
<br />moaUtly faeaeh ralenda month by modified F~seha assays of the rock mined by lessee forprocesang or berreficiation by any merhod, and (2) a/
<br />sodium compouods and any teL[ed ptodutxs widrin the Saline Zone which are interrttingkd with 25 g.p.r. oil shale and which an be mind,
<br />exu'aeted, ptooessed, benefidared, used, and disposed of without the deswerive distillation of the 25 g.p.t oil shale and without signifreantly
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