Claim: The Kasilof River is 17 miles long, has an elevation of sea level, and is located in Tustumena Lake, Cook Inlet, Alaska.
Evidence: 17 miles (27 km) sea level Tustumena Lake Cook Inlet, Kenai Peninsula Borough, Alaska 
Kasilof River – 17 miles (27 km) sea level Cook Inlet, Kenai Peninsula Borough, Alaska