TY - RPRT TI - Factors Affecting Spatial and Temporal Variability in Nutrient and Pesticide Concentrations in the Surficial Aquifer on the Delmarva Peninsula AU - Linda M. Debrewer AU - Scott W. Ator AU - Judith M. Denver PY - 2007 DO - 10.3133/sir20055257 UR - https://pubs.usgs.gov/publication/sir20055257 ID - sir20055257 ER -