USGS Open-File Report: 2014-1117 Dissolved pesticide concentrations entering the Sacramento-San Joaquin Delta from the Sacramento and San Joaquin Rivers, California, 2012-13, Orlando, James L.; McWayne, Megan; Sanders, Corey; Hladik, Michelle USGS Data Series: 876 Influence of septic systems on stream base flow in the Apalachicola-Chattahoochee-Flint River Basin near Metropolitan Atlanta, Georgia, 2012, Clarke, John S.; Painter, Jaime A. [read post]