TY - RPRT TI - Water data to answer urgent water policy questions: Monitoring design, available data and filling data gaps for determining the effectiveness of agricultural management practices for reducing tributary nutrient loads to Lake Erie -- Addendum describing new, expanded, and planned monitoring sites AU - Elin A. Betanzo AU - Anne F. Choquette AU - Laura Hayes PY - 2015 UR - https://pubs.usgs.gov/publication/70148600 ID - 70148600 ER -