GaryH1961 wrote:

Just about anything makes structure on barren lakes. The thing to
remember is to locate it very close to another structure (point,ridge,
saddle, shelf close to a channel, on a long point that runs close to
channel, etc.) or on top of a large barren structure to help locate
them in a smaller area.

I think I have asked this before here - what do you consider structure,
and what do you consider cover?