A lake is a body of relatively still water of considerable size, localized in a basin, that is surrounded by land apart from a river, stream, or other form of moving water that serves to feed or drain the lake. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and ...
My watershed has several big lakes. When I delineated my watershed, I had some unwanted subwatersheds and river segments inside the lakes (see fig. below). I want to tell ArcGIS/ArcHydro to delineate ...
Navionics has a nice web map that has some incomplete coverage of Lake Sakakawea. Garmin's BlueChart looks to have something for about $160, but appears to be only compatible with GPS units. Don't ...