TY - RPRT TI - Detection of environmental DNA of bigheaded carps in samples collected from selected locations in the St. Croix River and in the Mississippi River AU - Jon J. Amberg AU - S. Grace McCalla AU - Loren Miller AU - Peter Sorensen AU - Mark P. Gaikowski PY - 2013 DO - 10.3133/ofr20131080 UR - https://pubs.usgs.gov/publication/ofr20131080 ID - ofr20131080 ER -