Great Lakes Research Vessel Operations 1958-2018: Trawl. (ver. 3.0, April 2019)
All trawl data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes Science Center and its partners. The Trawl Tables contain data collected from the research vessel deploying various gear used for trawl data collection.  The …