TY - RPRT TI - Side-scan sonar mapping of lake trout spawning habitat in northern Lake Michigan AU - Thomas A. Edsall AU - Thomas P. Poe AU - Robert T. Nester AU - Charles L. Brown PY - 1989 DO - 10.1577/1548-8675(1989)009<0269:sssmol>2.3.co;2 UR - https://pubs.usgs.gov/publication/1000576 ID - 1000576 ER -