Distribution of boghead algae in Illinois Basin coal beds /
Harvey, Richard D. (Richard David),
1928-
Illinois State Geological Survey.
Peppers, Russel Allen,
1932-
text
book
Champaign, Ill. :
Dept. of Natural Resources, Illinois State Geological Survey,
1997.
1997
English
Algae, Fossil
Analysis
Coal
Illinois Basin
Paleobotany
Spores (Botany), Fossil
Torbanite
Circular (Illinois State Geological Survey) 558.
http://www.biodiversitylibrary.org/bibliography/61490
38209858
SPI