Quaternary (glacial and stream sediment) hydrogeology (ground water information) map of the upper Minnesota River basin, Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22610.pdf
Pollution sensitivity of Quaternary (glacial and stream sediment) aquifers, of the upper Minnesota River basin, Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22611.pdf