00908cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040002500111042001200136043001200148050002400160100002200184245009400206260007100300300004500371490006300416650002700479650001800506700003400524830006700558999001700625int59000040 DLC20260227111517.0780303s1959    dcuab        f000 0 eng    aint59000040   a(OCoLC)3685619  aDLCcNdUdOCoLCdDLC  apremarc  an-us-nd00aTN295b.U4 no. 78911 aVan Sant, Joel N.10aMethods and costs of mining lignite in North Dakota,cby J. N. Van Sant and R. C. Ellman.  a[Washington],bU.S. Dept. of the Interior, Bureau of Mines,c1959.  aiv, 82 p.billus., maps, tables.c27 cm.1 aUnited States. Bureau of Mines. Information circularv7891 0aLignitezNorth Dakota. 0aStrip mining.1 aEllman, R. C.,ejoint author. 0aInformation circular (United States. Bureau of Mines) ;v7891.  c34814d34814