TY - RPRT TI - Surficial substrates and bathymetry of five historical lake trout spawning reefs in near-shore waters of the Great Lakes AU - Thomas A. Edsall AU - Charles L. Brown AU - Gregory W. Kennedy AU - John R. P. French PY - 1992 UR - https://pubs.usgs.gov/publication/2000059 ID - 2000059 ER -