@article{240571, recid = {240571}, author = {Bowman, Phillip R.}, title = {Hydrologic data for a study of pre-Illinoian glacial till in Linn County, Iowa, water year 1991 [microform] /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;}, address = {Iowa City, Iowa :}, pages = {iv, 66 p. :}, year = {1992}, note = {Distributed to depository libraries in microfiche.}, url = {http://library.usi.edu/record/240571}, }