TY - RPRT TI - Microbial source tracking markers at three inland recreational lakes in Ohio, 2011 AU - Donna S. Francy AU - Erin A. Stelzer PY - 2012 DO - 10.3133/ofr20121222 UR - https://pubs.usgs.gov/publication/ofr20121222 ID - ofr20121222 ER -