Based on the available information, the boat ramp named 625 North Greene County is located in Indiana with GPS coordinates of latitude: 39.10942841 and longitude: -87.15364838. This boat ramp is situated in the Greene-Sullivan State Forest and provides access to the 109-acre J.C. "Red" Eversole Lake.

The boat ramp at 625 North Greene County is a concrete ramp, and it is wide enough for one boat at a time to launch or retrieve. The ramp is in good condition, and there is ample parking available for vehicles and boat trailers.

As for the types of boats permitted on the water, the Indiana Department of Natural Resources states that electric trolling motors, rowboats, canoes, kayaks, and small sailboats are permitted on J.C. "Red" Eversole Lake. Gasoline-powered engines are not allowed on the lake.

In summary, the boat ramp named 625 North Greene County in Indiana is a concrete ramp located in the Greene-Sullivan State Forest. It provides access to J.C. "Red" Eversole Lake, which permits electric trolling motors, rowboats, canoes, kayaks, and small sailboats. The ramp is wide enough for one boat at a time, and there is ample parking available.