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<br />. <br /> <br />. <br /> <br />. <br /> <br />t,,~ <br />~ <br />(:) <br />"'<J <br /> <br />Th~ coaJ. piCtU:2 in Wyoming is the b:ightest, fr0~ 2 F=D~uction <br />standpoint, of (he U~per Basin states. though ~uality is sl.Lghcl.y <br />lower i~ Wyoming coal ~ith an averag~ he2t value of about 9,300 Btu/lb <br />(Keystone, 1977). Other coal characteris~i:s such 2S lo~ sulfur, ash, <br />~oistur~, etc., are similar to other western coals under discussion. <br />l,.J'yomi<1g is currently ::he 12r~e.st coal ~rodLice'::" in the 'R.ocky ~rQuncains <br />and is eighth in pr0duction in ~he united Sta~es. <br /> <br />The nature of the coal resource or CO~Lse influences the location <br />and size of coal gasificatio~ f~cilities. An; coal reSOUTce can b~ <br />extracted an,: process2d in sucn 2. ~..;ay 8"5 to 2cc:or::::;.odcte E. 'la:-iety of <br />gaSification tach~';ologies, but the 2cono~ic 2tcc2ct~vene5s or ~he coal <br />is i~cre23ed if it can be Qineci by 3ur:ace wethod~J ~hic~ are generally <br />cheaper than t~0se for underg~ound mini~g. The availability of a reliable <br />~ater so~rce is also import~nt. ~ea~by ~ipel~nes ~ake th~ ?rOCeS5 les3 <br />expe~5ive at the outset, but lack of this network does not ~ecessarily <br />pte.clude the location 0E a gasiEic2.ti.JJC1. p12.nt. As Long ~3 t'cle ?olitical <br />cli~ace is favo:2ble and supply shortag~s conti~ueJ industry i~centive <br />~ill continue. Since technology :5 ~Ot a li~iti~5 factor, an incr~2si~g <br />nu~b2= of pl3nts ca~ be ~xpected to ~e d~'121a?ed near tha coal ~n(l water <br />r~50urc'2:S . <br /> <br />PRESE,'il ,,"{oROLOCIC.;L \:O~D I !IO:iS <br /> <br />Present }!odifiec FloW' COLl.ciiticns <br /> <br />"Present illQdified flo'...',:;" a~2 a t2?resE:::tatior, J[ ......n2t :113t0:ric flc',,''3 <br />would have oe2n ndd ?rc3e~t (!975) cc~ands be~n i~pa2~d 3t a CQnS~2~t <br />level on ?ast. runi..,f: conditions, Table l~ 1 b-:lor.. shm..-s ?r2S2:1t modi::i_2d <br />floy conditio~s a: che 0uti).o~ points of each of th~ Wac~~ Acco~~tiag <br />Units '(see E'ig. 1.1) in the U~~e.r Colorado ::<'i'/~~r ?2gion~ P..ighest end <br />lOto/eat '/aluo?s a:-.d -.'21:JE:s .::it 10 p~rceLlt f:2G.ue.ro"~Y i:1.te.=-~I.:ds are: sho'..'TI. <br />finally, median (50% frequency) and ~e3n values are gtven~ The data <br />sho~n is based on runoff ccnditions for the period froo 1906 [h~ough <br />1974. <br /> <br />As might be e.x?ecte.d', the flm.;: :re2.diogs o,;ar:'l as rr.uch as 500-600 <br />perce.r.t. ~e.2n flo~s are ger.erally highe.r ~ha~ the. medi2n. ~hich means <br />chat the distribution is skew~d to high~r flows, <br /> <br />1. --5 <br />