http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Some Chester outcrop and subsurface sections in southeastern Illinois
by Elwood Atherton. Unusual oolite grains from the Ste. Genevieve limestone by Raymond S. Shrode.
"Reprinted from the Transactions of the Illinois State Academy of Science, Volume 40, pp. 122-131, 140-144, 1947."
Circular (Illinois State Geological Survey) ; 144