TY - RPRT TI - Monitoring of endangered Roanoke logperch ( Percina rex ) in Smith River upstream from the Philpott Reservoir on U.S. Army Corps of Engineers property near Martinsville, Virginia AU - James H. Roberts AU - Paul L. Angermeier PY - 2012 DO - 10.3133/ofr20121221 UR - https://pubs.usgs.gov/publication/ofr20121221 ID - ofr20121221 ER -