The Prairie Rattlesnake is the only venomous snake native to South Dakota. The color of the Prairie Rattlesnake varies from light brown to green, with a yellowish belly. Dark oval blotches with light colored borders run along the center of its back.
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Clark is the Potato Capital of South Dakota. Clark is home to the world famous Mashed Potato Wrestling contest.
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The Meridian Bridge built in 1924 was the first structure built across the Missouri River in South Dakota.