claim: Raven-Symoné writes the role of Olivia.
evidence: The Firehole River is located in northwestern Wyoming , and is one of the two major tributaries of the Madison River .. Wyoming. Wyoming. tributaries. Tributary. Madison River. Madison River. It flows north approximately 21 mi from its source in Madison Lake on the Continental Divide to join the Gibbon River at Madison Junction in Yellowstone National Park .. Madison Lake. Madison Lake, Wyoming. Yellowstone National Park. Yellowstone National Park. Continental Divide. Continental Divide. Gibbon River. Gibbon River. It is part of the Missouri River system .. Missouri River. Missouri River