The quarter that honors South Dakota, the 40th state admitted into the Union, is the 40th coin in the United States Mint's 50 State Quarters® Program.
This fifth quarter of 2006 ends the Program's eighth year.
The South Dakota quarter features an image of the state bird, a Chinese ring-necked pheasant.
This colorful bird was brought to South Dakota in 1898.
Pheasants live mostly in the Midwest, so many other states consider them a delicacy.
Wheat, a major crop in South Dakota, decorates the sides of the design.
In the center of the design is Mount Rushmore, where the busts of four American Presidents (George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln) are sculpted.
It took 14 years to sculpt Mount Rushmore, a 5,725-foot peak.
The team finished the work in 1941.
This famous "Shrine of Democracy," which cost about $1 million to sculpt, is considered priceless.