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<br />Federal Power Commission
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<br />to increase the number of orchard and truck' fams, while an increased
<br />population wUl raise the local demand for dairy and poultry producta.
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<br />M1nin~e m,arketarea il an important sovce, Qf mi.Derals for the nation.
<br />For eX8lllPle,in the ten-year period 1948-57~ inclusive, over n percent of
<br />the copper produced in the nation cllllle tNlll: Arizona and Utah; 36 percent
<br />of the national production of gold, 38 percllnt or the silver, 25 percent
<br />of the lead, and 21 percent of the zinc were produced in Utah, Colorado,
<br />and Arizona. '
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<br />Coal production is significant in all of the staws or the region ex-
<br />ceptArizona and Nevada, but the greatest p?:-odu.ction il in Utah. ,In 1954,
<br />New Mexico produced almost 5 peroent of the nation's production of natval
<br />gas and had produotion of coal, petrolellJll, igold, silver, copper, lead, and
<br />z1nc. Hew Mexico contains 65 percent of We known uraniUII reserves of the
<br />nation while the region as a whole containli 96 percent.
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<br />Area I, SO)1thern leTacia, has beeafor ,maDy years an important source
<br />of lead and zinc. Although the activit11~ presently curtailed becau.e
<br />of the market condl.t10ns, resUl1lpUon of lII1.1).1ng is anticipa.ted in the' future.
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<br />The most important m1n1ng activities in the Itates of Wyoming and
<br />Colorado are the prod11cUon or coal, petrol-eUII, and natural gas. Vast
<br />..aunts of coal are available and m1n1ng a"tin t;r 18 l:bdted only by the
<br />market. The market has been considerably \1urt. in recent years by the fact
<br />that lIIost of the railroads have converted. from ste8lll to Diesel operation.
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<br />A trend toward the construction of s~8IlI-electric plants in the coal
<br />fields of the basin and, transporUng the pl>wer to load centers over high-
<br />voltage tran8llliss10n lines 1s becoming evi~ent. The Utah Paver and Light
<br />Comp~ 1nstalled nch a plant several yeal:'s ago near the Carbon County,
<br />Utah, coal Ill1DeS, and hu recently lIlUll)unc~d the construct1on of a 1lI0dern
<br />plant near K8IIIIlIerer, wyoming, to serve lo.;ds ill the vicinity or Salt Lake
<br />City, utah. The Pacific Pow.er and Light C;olllp~ has under constructioll a
<br />ste8lll-electric plant 1.1\ Subarea V-C at Gle,Dl'Ock east of Casper for supply-
<br />iJlg loads at distallt locat10p.s, and consid,eration is being g1ven to install-
<br />1ng a large .te..-electric plant 1n San J~an County, New Mex1co, to serve
<br />loads 1.1\ .&reu II, III, IV, and VI. I . ,
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<br />S1nce before World War II, 1ron ore :Iln southea.tern Wyoming has been
<br />mWQ for sh1Pl11ent to the steelllills at Itueblo, Colorado. Recently pllllUl
<br />haTe been made for IIi.n1ng 1ron ore 1n SGu1(.hwestem Wy-ollling for sh1p111ent '
<br />to the Genen Steel Plant in Utah.. .
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<br />. Hines at Cli:aax, ColoradO, produce mqre than half of the world', npp:Q'
<br />of llIolybdenUIII. Colorado also produces mo~t of the UnitedStatesvanadi1lRl
<br />supply. The soda ash depos1ta near Green I RiTer, lJy'olll.1l!lg (wh1ch are the
<br />largest known depos1ts in the world) are ,eing acUvelY' developed.
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