J. M. Denver

• Water Quality in the Delmarva Peninsula, Delaware, Maryland, and Virginia, 1999-2001 (U.S. Geological Survey Circular, 1228.)
• Delaware ground-water quality
• Hydrogeology and geochemistry of the unconfined aquifer, west-central and southwestern Delaware
• Water quality in the Northern Atlantic coastal plain surficial aquifer system, Delaware, Maryland, New Jersey, New York, North Carolina, and Virginia, 1988-2009