The Yellowstone National Park silver dollar is a commemorative coin issued by the United States Mint in 1999.

[1] The United States Commemorative Coin Act of 1996 (Pub.

The act allowed the coins to be struck in both proof and uncirculated finishes.

The obverse of the Yellowstone National Park commemorative dollar, designed by Edgar Z. Steever, IV, depicts a spouting geyser with the park's tree-lined landscape in the background.

The reverse, designed by William C. Cousins, is adapted from the seal of the U.S. Department of Interior and shows an American Buffalo on the plains with a sun rising above the mountains in the background.