Publications of the Iowa Geological and Water Survey, including including Technical Papers on coal resources and early state surveys
Publications from 1989
Abandoned underground coal mines of Des Moines, Iowa and vicinity, Mary R. Howes, Matthew A. Culp, and Helene Greenburg
Publications from 1986
Palynostratigraphy of the Lower and Middle Pennsylvanian coals of Iowa, Robert L. Ravn
Publications from 1984
Element geochemistry of Cherokee Group coals (Middle Pennsylanian) from south-central and southeastern Iowa, Joseph R. Hatch, Matthew J. Avcin, and Paul E. Van Dorpe
Publications from 1979
An Introduction to the stratigraphic paylynology of the Cherokee Group (Pennsylvnian) coals of Iowa, Robert L. Ravn
Publications from 1844
Report of a Geological Exploration of Part of Iowa, Wisconsin, and Illinois, made under Instructions from the Secretary of the Treasury of the United States in the Autumn of the Year 1839, with Charts and Illustrations, David Dale Owen, John Locke, and Ebenezer Phillips