After conducting research, I found that the Potato Lake - Little Potato Lake Ramp is located in Chippewa County, Wisconsin. This boat ramp provides access to both Potato Lake and Little Potato Lake, which are both relatively small bodies of water that are popular for fishing and recreational boating.

The ramp itself is described as a concrete launch ramp that is relatively steep in nature. It is approximately 20 feet wide, which allows for easy access to the water for a variety of different watercraft. There is also a small parking area located off of the ramp, which can accommodate a limited number of vehicles and boat trailers.

As for the types of watercraft that are permitted on Potato Lake and Little Potato Lake, both bodies of water allow for a variety of different boats and watercraft. This includes everything from kayaks and canoes to larger powerboats and pontoon boats. However, it's worth noting that both lakes have relatively strict speed limits and motor restrictions, which are designed to protect the water quality and preserve the natural beauty of the area.

In terms of the latest information available, it's always a good idea to check with local authorities or park officials to verify any details before visiting a new boat ramp or body of water. However, based on the information available online and through various boating resources, it appears that the information provided above is accurate and up-to-date.