TY - RPRT TI - Annual production of burrowing mayfly nymphs ( Hexagenia spp.) in U.S. waters of Lake St. Clair AU - Thomas A. Edsall AU - Robert C. Haas AU - Jean V. Adams PY - 2001 DO - 10.1016/s0380-1330(01)70659-4 UR - https://pubs.usgs.gov/publication/70006512 ID - 70006512 ER -