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According to the latest information available, the US 50 Gunnison County boat ramp in Colorado is a concrete boat ramp that measures 60 feet in width. It services the Blue Mesa Reservoir, which is the largest body of water in Colorado.

The Blue Mesa Reservoir is a popular destination for recreational boaters, anglers, and water sports enthusiasts. The reservoir is over 20 miles long and has more than 96 miles of shoreline. It is also home to a variety of fish species, including kokanee salmon, lake trout, and rainbow trout.

As for the kind of craft that are permitted on the water, the Blue Mesa Reservoir allows motorized boats, sailboats, kayaks, canoes, and paddleboards. However, there are certain restrictions and regulations that boaters must follow, such as speed limits, fishing regulations, and safety requirements.

In summary, the US 50 Gunnison County boat ramp in Colorado is a wide concrete ramp that services the Blue Mesa Reservoir. The reservoir allows a variety of watercraft, including motorized boats, sailboats, kayaks, canoes, and paddleboards, and is a popular destination for recreational activities.