TY - BOOK ID - 133394031 TI - Distribution of boghead algae in Illinois Basin coal beds PY - 1997 PB - Champaign, Ill Dept. of Natural Resources, Illinois State Geological Survey DB - UniCat KW - Algae, Fossil KW - Analysis KW - Coal KW - Paleobotany KW - Spores (Botany), Fossil KW - Torbanite KW - Illinois Basin UR - https://www.unicat.be/uniCat?func=search&query=sysid:133394031 AB - ER -