Based on the latest available information, the boat ramp named Parker Dam Road 52650-52900, Earp is a concrete boat ramp that is approximately 24 feet wide. It services the Colorado River, which is the border between Arizona and California. This boat ramp is primarily used for small to medium-sized watercraft, such as fishing boats and jet skis. However, larger boats can also be launched from this ramp, but they may require more effort and skill to maneuver. Additionally, there are no restrictions on the types of boats allowed on the water, although all boat operators must follow the applicable state and federal regulations, including registration, safety equipment, and speed limits. Overall, Parker Dam Road 52650-52900, Earp is a popular boat ramp for recreational boating and fishing activities on the Colorado River in Arizona.