Hydrographic maps reveal subsurface features with the potential to hold fish, the degree to which largely depends on the ...

without ever leaving its surface. A team of students is mapping Progress Lake's depths to help the and manage the park for recreational fishing. A couple dozen members of Todd Hanna's fisheries ...

Lake Erie is the shallowest of the Great Lakes with an average depth of 62 feet, but it is also the most biologically productive. All of the Great Lakes rank among the 15 largest lakes in the world ...