I apologize, but there seems to be some confusion in the question. The location provided for the boat ramp named Winneshiek Lake - Mississippi River -- Cold Springs Landing is actually in Iowa, not Missouri. The correct coordinates for this location are latitude: 43.27850723, longitude: -91.04808807.

Based on the latest information available, the boat ramp at Winneshiek Lake - Mississippi River -- Cold Springs Landing is a concrete boat ramp that is approximately 24 feet wide. It services the Mississippi River, specifically the Upper Mississippi River National Wildlife and Fish Refuge. The refuge spans over 240,000 acres and covers parts of four states, including Iowa, Minnesota, Wisconsin, and Illinois.

Various types of watercraft are permitted on the Mississippi River at this location, including motorized boats, kayaks, canoes, and other non-motorized boats. However, it is important to note that boaters should always check local regulations and restrictions before launching their watercraft to ensure compliance with any specific rules or guidelines in the area.

Overall, the boat ramp at Winneshiek Lake - Mississippi River -- Cold Springs Landing appears to be a popular location for boaters and anglers, providing easy access to the Mississippi River and the surrounding wildlife refuge.