Lynn S. Hedges

• Geology and water resources of Beadle County, South Dakota
• Geology and water resources of Charles Mix and Douglas Counties, South Dakota
• Geology of Aurora and Jerauld counties, South Dakota
• Glacial aquifers in Campbell County, South Dakota
• List of Widco logs run by State Geological Survey
• Water supply for the city of Lake Preston, South Dakota
• Water supply for the city of Wakpala, South Dakota