The occurrence of trihalomethanes in the nation's ground water and drinking-water supply wells, 1985-2002Bryan D. Schaap · First published 2006Open the Tome
Compilation of data to support development of a pesticide management plan by the Yankton Sioux Tribe, Charles Mix County, South DakotaBryan D. Schaap · First published 2004Open the Tome
Simulation of ground-water flow in the Cedar River alluvium, northwest Black Hawk County and southwest Bremer County, IowaBryan D Schaap · First published 2003Open the Tome
Sediment accumulation and distribution in Lake Kampeska, Watertown, South DakotaBryan D. Schaap · First published 2002Open the Tome
Aquifer test to determine hydraulic properties of the Elm Aquifer near Aberdeen, South DakotaBryan D. Schaap · First published 2000Open the Tome
Quality of ground water used for selected municipal water supplies in Iowa, 1982-96 water yearsBryan D. Schaap · First published 1998Open the Tome
Water-quality data of stormwater runoff from Davenport, Iowa, 1992 and 1994Bryan D Schaap · First published 1996Open the Tome
