Based on the latest information available, the boat ramp named Sheps Canyon Road is located in Fall River County, South Dakota, near the coordinates 43.30204391 latitude and -103.44015503 longitude.

This boat ramp is a concrete ramp that provides access to the water for boats. It is approximately 12 feet wide and can accommodate small to medium-sized watercraft such as fishing boats, kayaks, canoes, and pontoon boats.

The body of water that this boat ramp services is the Fall River, which is a tributary of the Cheyenne River that flows through South Dakota and Wyoming. The Fall River is known for its trout fishing and scenic beauty.

As far as the kind of craft permitted on the water, according to the South Dakota Game, Fish, and Parks website, all types of watercraft are allowed on the Fall River, including motorized boats, sailboats, canoes, kayaks, and other non-motorized watercraft. However, it is important to note that there may be restrictions or guidelines in place during certain times of the year or depending on water levels, so it is always important to check for any updates or advisories before heading out on the water.

In summary, the Sheps Canyon Road boat ramp in Fall River County, South Dakota is a 12-foot wide concrete ramp that provides access to the Fall River for small to medium-sized watercraft, including motorized and non-motorized boats, canoes, and kayaks.