TY - RPRT TI - Pathogenic bacteria and microbial-source tracking markers in Brandywine Creek Basin, Pennsylvania and Delaware, 2009-10 AU - Joseph W. Duris AU - Andrew G. Reif AU - Leif E. Olson AU - Heather E. Johnson PY - 2011 DO - 10.3133/sir20115164 UR - https://pubs.usgs.gov/publication/sir20115164 ID - sir20115164 ER -