http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
integrated geophysical and geological investigation of aquifers in glacial drift near Champaign-Urbana, Illinois
"Reprinted from Economic geology, volume46, number4, June-July, 1951."
Report of investigations (Illinois State Geological Survey) ; no. 155