Show three major cool coal regions in western colorado A two part bureau of mines report on the production and utilization n of lignite is now available secretary of the interior douglas mckay announced recently lignite lie th the e lowest rank coal abundant in north dakota south dakota and montana part I 1 of the report which was prepared pared by bureau staff mem ea bers at the charles B R robertson grand forks N dak and at washington D C summarizes industrial du development possibilities for or lignite european technology tech on lignite coals the occurrence and pro properties berties per ties of lignite lignite mining tn north dakota and the preparation transportation and storage of lignite part n H of the report dealing with utilization discusses developments in the combustion of 0 it lignite for power generation as A well I 1 as the carbonization gasification hydrogenation and other chemical processing of the substance i ach section of 0 the report includes an efte extensive n sive bibliography in addition part I 1 contains an appendix presenting statistics on the production and value of 0 lignite in north dakota from 1926 through 1957 single copies of information circular technology ot of lignite coals part I 1 and information circular technology of aig nite coals part II 11 can bo be oh d from the of mines publications distribution section forbes street pittsburgh 13 pa ila the publication or publications desired should be identified by number and title |