As executive director of the Great ... to map every meter of the lakes' bottom. The effort, the marine scientist says, will pinpoint hundreds of underwater shipwrecks, illuminate topographical ...

As executive director of the Great ... to map every meter of the lakes’ bottom. The effort, the marine scientist says, will pinpoint hundreds of underwater shipwrecks, illuminate topographical ...

and would continue beyond the creation of the first "baseline" map, as the topographical features of the Great Lakes are always changing due to weather and climate. "I think two things are ...

Only a fraction of the Great ... to map every meter of the lakes' bottom. The effort, the marine scientist says, will pinpoint hundreds of underwater shipwrecks, illuminate topographical features ...

As executive director of the Great ... to map every meter of the lakes’ bottom. The effort, the marine scientist says, will pinpoint hundreds of underwater shipwrecks, illuminate topographical ...