TY - RPRT TI - A landscape-based reconnaissance survey of estrogenic activity in streams of the upper Potomac, upper James,and Shenandoah Rivers, USA AU - John A. Young AU - Luke R. Iwanowicz AU - Adam J. Sperry AU - Vicki Blazer PY - 2014 DO - 10.1007/s10661-014-3801-y UR - https://pubs.usgs.gov/publication/70133423 ID - 70133423 ER -