There seems to be some confusion in the question as it mentions both Illinois and Rankin County, which is actually located in Mississippi. However, based on the given latitude and longitude coordinates, it appears that the boat ramp in question is actually located in Rankin County, Mississippi.

Fannin Landing Circle is a public boat ramp located on the Ross Barnett Reservoir, which is a 33,000-acre lake in central Mississippi. The boat ramp is managed by the Pearl River Valley Water Supply District and is open year-round.

Based on user reviews and photos, it appears that the boat ramp is a concrete ramp with a moderate slope. It is wide enough to accommodate two boats launching at the same time. The area around the ramp is also said to be well-maintained and easy to navigate.

As for the types of craft permitted on the water, the Ross Barnett Reservoir allows for a variety of recreational activities, including boating, fishing, and water sports. All types of boats are permitted on the lake, including motorized boats, sailboats, kayaks, and canoes. However, there may be certain restrictions in place for certain areas of the lake or during certain times of the year.

Overall, Fannin Landing Circle appears to be a popular boat ramp for those looking to access the Ross Barnett Reservoir in Rankin County, Mississippi.