TY - RPRT TI - A spatial model to aggregate point-source and nonpoint-source water-quality data for large areas AU - D.A. White AU - R. A. Smith AU - C. V. Price AU - R. B. Alexander AU - K. W. Robinson PY - 1992 DO - 10.1016/0098-3004(92)90021-i UR - https://pubs.usgs.gov/publication/70017296 ID - 70017296 ER -