A lake is a standing body of water greater than 1 hectare (about 2.5 acre) that has at least 1000 m2 (about 0.25 acre) of open water and is at least 1 meter (about 3 feet) deep at its deepest point. (See related: surface waters, wetlands.)
Other /More definition:
A lake is a body of fresh or salt water of considerable size, whose open-water and deep-bottom zones (no light penetration to bottom) are large compared to the shallow-water (shoreline) zone, which has light penetration to its bottom.
"lake" is in the NAICS Code "212391"
Potash, Soda, and Borate Mineral Mining
... natural potassium, sodium, or boron compounds. Drylake brine operations are included in this industry ...
List of books: Lake