The sinkholes in Lake Michigan, ranging from 300 to 600 feet ... to map the lakebeds in high-resolution, as bathymetric maps can only go so far. High-resolution maps of the bottom of the lakes ...

A bathymetric map is one concerning the floor ... Created as a commission piece, the subject of the map is Tichigan Lake in Wisconsin, USA. Made on a Glowforge laser cutter, the design is built ...