TY - RPRT TI - Comparison of 5 benthic samplers to collect burrowing mayfly nymphs ( Hexagenia spp.:Ephemeroptera:Ephemeridae) in sediments of the Laurentian Great Lakes AU - Don W. Schloesser AU - Thomas F. Nalepa PY - 2002 DO - 10.2307/1468485 UR - https://pubs.usgs.gov/publication/1000899 ID - 1000899 ER -