00775cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035002000092040004100112042001200153050002100165100002500186245009700211260002400308300003500332440003500367500001700402504002800419650003100447700002600478999001700504gs 51000256 DLC20260227111358.0841108s1951    dcuab    b   f000 0 eng c  ags 51000256   a(OCoLC)11363945  aU. S. Geol. Survey. Libr.cTxHRdDLC  apremarc00aQE75b.C5 no. 901 aBerryhill, Louise R.10aCoking-coal deposits of the western United States,cby Louise R. Berryhill and Paul Averitt.  a[Washington]c1951.  ai, 20 p.bmap., diagr.c27 cm. 0aGeological Survey circularv90  aCover title.  a"References": p. 19-20. 0aCoking coalzUnited States1 aAveritt, Paul,d1908-  c28583d28583