Patrick J. Emmons

• A digital simulation of the glacial-aquifer system in Sanborn and parts of Beadle, Miner, Hanson, Davison, and Jerauld counties, South Dakota
• A digital simulation of the glacial-aquifer system in the northern three-fourths of Brown County, South Dakota
• An evaluation of the bedrock aquifer system in northeastern Wisconsin
• Ground-water flow and water quality of the Indian Island well field near Grand Island, Nebraska, 1994-95
• Preliminary assessment of potential well yields and the potential for artificial recharge of the Elm and Middle James aquifers in the Aberdeen area, South Dakota
• Water quality in a wet meadow, Platte River Valley, central Nebraska