TY - RPRT TI - A Computerized Data-Base System for Land-Use and Land-Cover Data Collected at Ground-Water Sampling Sites in the Pilot National Water Quality Assessment Program AU - Jonathon C. Scott PY - 1989 DO - 10.3133/wri894172 UR - https://pubs.usgs.gov/publication/wri894172 ID - wri894172 ER -