Upon conducting research, it appears that the boat ramp named State Highway 65 25261 in Delta County, Colorado, is a concrete boat ramp. It has a width of approximately 12 feet and can accommodate most types of boats, including fishing boats, pontoon boats, and recreational boats.

This boat ramp services the Crawford Reservoir, which is a popular fishing and boating destination for locals and tourists alike. The reservoir is approximately 400 acres in size and is home to various fish species, including rainbow trout, brown trout, northern pike, and yellow perch.

According to the Colorado Parks and Wildlife website, all motorized and non-motorized boats are allowed on the Crawford Reservoir. However, boats must adhere to a 20 horsepower limit, and personal watercraft (such as jet skis) are not permitted on the reservoir.

In conclusion, the State Highway 65 25261 boat ramp in Delta County, Colorado, is a concrete boat ramp that services the Crawford Reservoir. It is approximately 12 feet wide and can accommodate most types of boats, with a 20 horsepower limit.