00695cam a22002171  4500001001300000003000400013005001700017008004100034010001700075035001900092040003300111042001200144050001500156100003600171245005200207260004400259300003500303410007700338504002800415650003400443gs 48000003 DLC20260227111353.0790801s1947    mtua          000 0 eng c  ags 48000003   a(OCoLC)5230054  aU.S. Geol. SurveycTxEUdDLC  apremarc00aTN942b.D61 aDougan, Charles William,d1908-10aDickite-clay deposit of Fergus County, Montana.  aButte,bMontana School of Mines,c1947.  av, 11 p.bplates, map.c28 cm.20aMontana Bureau of Mines and Geology.tMiscellaneous contribution;vno. 9  aBibliography: p. 10-11. 0aClayzMontanazFergus County.