Oregon
The Oregon State Quarter was released on June 6, 2005. It features a picture of Crater Lake.
Montana
The Montana State Quarter, which features a bison skull, was released on January 29, 2007.
Washington
The Washington State Quarter was released on April 2, 2007. It features a picture of a jumping salmon with Mount Rainier in the background.
Idaho
The Idaho State Quarter features a picture of a Perigrine Falcon and an outline of the state. It was released June 5, 2007.
Alaska
Alaska's citizens and children have been asked to submit their state quarter design ideas. The Alaska Commemorative Coin Commission is responsible for downselecting and submitting the designs. The official Alaska state quarter will be released into circulation in August 2008.
Check out About.com's "Coins" topic site to find out more about the stories behind each state's quarter.

