TY - RPRT TI - Evaluation of artificial cover units as a sampling technique and habitat enhancement for madtoms in rivers AU - W. R. Cope AU - Thomas J. Kwak AU - T. R. Black AU - Krishna Pacifici PY - 2019 DO - 10.1002/nafm.10317 UR - https://pubs.usgs.gov/publication/70216094 ID - 70216094 ER -