TY - RPRT TI - Methods to Evaluate Influence of Onsite Septic Wastewater-Treatment Systems on Base Flow in Selected Watersheds in Gwinnett County, Georgia, October 2007 AU - Mark N. Landers AU - Paul D. Ankcorn PY - 2008 DO - 10.3133/sir20085220 UR - https://pubs.usgs.gov/publication/sir20085220 ID - sir20085220 ER -