Material in the public domain. No restrictions on use.
Creative Commons License
This work has been identified with a Creative Commons Public Domain Mark 1.0.
Norton, W. H. and Lees, James H.
"Deep Wells of Iowa (A Supplementary Report) with a Chapter on Well Water Recessions in Iowa (pp.9-215),"
Iowa Geological Survey Annual Report:
Available at: http://ir.uiowa.edu/igsar/vol33/iss1/3