TY - RPRT TI - Land use patterns, ecoregion, and microcystin relationships in U.S. lakes and reservoirs: a preliminary evaluation AU - John R. Beaver AU - Erin E. Manis AU - Keith A. Loftin AU - Jennifer L. Graham AU - Amina I. Pollard AU - Richard M. Mitchell PY - 2014 DO - 10.1016/j.hal.2014.03.005 UR - https://pubs.usgs.gov/publication/70104614 ID - 70104614 ER -