TY - RPRT TI - Occurrence of fecal-indicator bacteria and protocols for identification of fecal-contamination sources in selected reaches of the West Branch Brandywine Creek, Chester County, Pennsylvania AU - Peter J. Cinotto PY - 2005 DO - 10.3133/sir20055039 UR - https://pubs.usgs.gov/publication/sir20055039 ID - sir20055039 ER -