Based on the latest information available, the boat ramp named Landing Road 8 in Buxton, Maine is a concrete boat ramp that is approximately 16 feet wide. This boat ramp provides access to the Saco River, which is a popular waterway for recreational activities such as fishing, boating, and kayaking.

The Saco River is a 136-mile-long river that flows from the White Mountains in New Hampshire to the Atlantic Ocean in Maine. The river is known for its scenic beauty and offers a variety of water activities for visitors.

As far as the kind of craft permitted on the water, it can vary depending on the time of year and regulations. However, typically any type of watercraft that is legal and registered is permitted on the Saco River, including powerboats, canoes, kayaks, and paddleboards. It's important to note that all boaters must follow the rules and regulations set forth by the Maine Department of Inland Fisheries and Wildlife to ensure the safety of all individuals on the water.

In conclusion, Landing Road 8 in Buxton, Maine is a concrete boat ramp that provides access to the Saco River. The river is popular for recreational activities such as fishing, boating, and kayaking, and typically any type of watercraft that is legal and registered is permitted on the water.