J. F. Ruhl

• Estimates of recharge to unconfined aquifers and leakage to confined aquifers in the seven-county metropolitan area of Minneapolis-St. Paul, Minnesota
• Ground water and streamflow in the Nett Lake Indian Reservation, northern Minnesota, 1995-97
• Hydraulic properties of the Prairie du Chien-Jordan aquifer, Shakopee Mdewakanton Sioux Community, southeastern Minnesota, 1997
• Nitrate and pesticides in surficial aquifers and trophic state and phosphorus sources for selected lakes, eastern Otter Tail County, west-central Minnesota, 1993-96
• Quantity and quality of seepage from two earthen basins used to store livestock waste in southern Minnesota during the first year of operation, 1997-98
• Water resources of the Fond du Lac Indian Reservation, east-central Minnesota
• Water-quality assessment of part of the upper Mississippi River Basin, Minnesota and Wisconsin--ground-water quality in an agricultural area of Sherburne County, Minnesota, 1998
• Water-quality assessment of part of the upper Mississippi River basin, Minnesota and Wisconsin--ground-water quality in an agricultural area of Sherburne County, Minnesota, 1998