00731cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050002100142100003600163245005500199260002400254300001800278410006000296504002500356650002600381650003400407650001900441999001700460gs 53000090 DLC20260227111359.0790607s1952    inua     b   s000 0 eng    ags 53000090   a(OCoLC)5044240  aDLCcTxCMdDLC  apremarc00aQE109b.A3 no. 41 aGuennel, Gottfried Kurt,d1920-10aFossil spores of the Alleghenian coals in Indiana.  aBloomington,c1952.  a40 p.billus.10aIndiana.bGeological Survey.tReport of progressvno. 4  a"References": p. 40. 0aPaleobotanyzIndiana. 0aPlant spores, FossilzIndiana 0aCoalzIndiana.  c28722d28722