Biodiversity Heritage Library
By "Harvey, Richard D. (Richard David), 1928-"
Distribution of boghead algae in Illinois Basin coal beds /
By: Peppers, Russel Allen, - Harvey, Richard D. - Illinois State Geological Survey.
Publication info: Champaign, Ill. :Dept. of Natural Resources, Illinois State Geological Survey,1997.
Contributed by: University Library, University of Illinois Urbana Champaign