Source, Movement, and Age of Ground Water in a Coastal California Aquifer

Water-table altitude near the Brookhaven National Laboratory, Suffolk County, New York, in March 1995

Arsenic in ground water in Genesee County, Michigan

Ground-water recharge in the Southern High Plains of Texas and New Mexico

Arsenic in ground water in Livingston County, Michigan

Pesticide concentrations in Canajoharie Creek, New York, 1994-96

Great Salt Lake basins study unit

Arsenic in ground water in Tuscola County, Michigan

Arsenic in ground water in Washtenaw County, Michigan

Feasibility of combining two aquatic benthic macroinvertebrate community databases for water-quality assessment

Nitrogen in the Mississippi Basin - Estimating Sources and Predicting Flux to the Gulf of Mexico

Water-table altitude in Kings and Queens Counties, New York, in March 1997

Inputs of the Dormant-Spray Pesticide, Diazinon, to the San Joaquin River, California, February 1993

Rapid Recharge of Parts of the High Plains Aquifer Indicated by a Reconnaissance Study in Oklahoma, 1999

Salt production in Syracuse, New York ("The Salt City") and the hydrogeology of the Onondaga Creek Valley