LEADER 01568nam 2200433 450 001 9910716013203321 005 20210602144120.0 035 $a(CKB)5470000002517977 035 $a(OCoLC)1253682269 035 $a(EXLCZ)995470000002517977 100 $a20210602d1969 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aSelected references on coal, particularly western coal 210 1$aPortland, Ore :$cU.S. Department of the Interior, Bureau of Land Management, Portland Service Center,$d1969. 215 $a1 online resource (1 page) 225 1 $aTechnical note / Bureau of Land Management ;$v[97] 300 $a"Filing code: 3500." 300 $a"Date issued: 11/25/69." 330 $aBrief bibliography of resources on coal in the United States, with an emphasis on the western United States. 606 $aCoal mines and mining$zUnited States$vBibliography 606 $aCoal mines and mining$zWest (U.S.)$vBibliography 606 $aCoal$zUnited States$vBibliography 606 $aCoal$zWest (U.S.)$vBibliography 608 $aBibliographies.$2lcgft 615 0$aCoal mines and mining 615 0$aCoal mines and mining 615 0$aCoal 615 0$aCoal 712 02$aUnited States.$bBureau of Land Management.$bPortland Service Center, 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910716013203321 996 $aSelected references on coal, particularly western coal$93339705 997 $aUNINA