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001 9910707686803321
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035   $a(EXLCZ)995470000002465667
100   $a20140802d1961      ua             0
101 0 $aeng
135   $aurn||||||||||
181   $ccri$2rdacontent
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aCoal resources of the Trinidad coal field in Huerfano and Las Animas Counties, Colorado /$fby Ross B. Johnson
210  1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1961.
210  2$aWashington, D.C. :$cGovernment Printing Office.
215   $a1 online resource (iv, 129-180 pages, 1 page of plate) $cmaps, charts, photographs
225 1 $aContributions to economic geology
225 1 $aGeological Survey bulletin ;$v1112-E
300   $aAdditional title page description: "A resume of the coal resources in an area of 1,100 square miles in south-central Colorado."
300   $aTitle from title screen (viewed July 23, 2014).
320   $aIncludes bibliographical references (pages 174-178) and index.
606   $aCoal reserves$zColorado$zHuerfano County
606   $aCoal reserves$zColorado$zLas Animas County
606   $aCoal reserves$2fast
607   $aColorado$zHuerfano County$2fast
607   $aColorado$zLas Animas County$2fast
615  0$aCoal reserves
615  0$aCoal reserves
615  7$aCoal reserves.
700   $aJohnson$b Ross B.$f1919-$01387215
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910707686803321
996   $aCoal resources of the Trinidad coal field in Huerfano and Las Animas Counties, Colorado$93436797
997   $aUNINA