@misc{indiciae6c7fef9a410d, title = {Water quality of alluvial aquifers, Carroll and Guthrie counties, Iowa, with emphasis on the occurrence of nitrate and pesticides, 1986-87}, author = {M.G. Detroy and M. L. Clark and M.A. Holub and P.K. Hunt}, year = {1990}, doi = {10.3133/wri894186}, url = {https://pubs.usgs.gov/publication/wri894186}, note = {Source identifier: wri894186} }