TY - RPRT TI - Digital data used to relate nutrient inputs to water quality in the Chesapeake Bay watershed, version 3.0 AU - John W. Brakebill AU - Stephen D. Preston PY - 2004 DO - 10.3133/ofr20041433 UR - https://pubs.usgs.gov/publication/ofr20041433 ID - ofr20041433 ER -