Hill City is the oldest existing city in Pennington County, South Dakota, United States. The population was 948 at the 2010 census.
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Arkansas is a southern U.S. state bordering the Mississippi River. It's known for its abundant park and wilderness areas, with terrain encompassing mountains, caves, rivers and hot springs. The rugged Ozarks region in its northwest has hiking trails and limestone caves such as Blanchard Springs Caverns. Its capital, Little Rock, hosts the Clinton Presidential Center, housing Bill Clinton?s presidential archives..

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The U.S. is a country of 50 states covering a vast swath of North America, with Alaska in the northwest and Hawaii extending the nation?s presence into the Pacific Ocean. Major Atlantic Coast cities are New York, a global finance and culture center, and capital Washington, DC. Midwestern metropolis Chicago is known for influential architecture and on the west coast, Los Angeles' Hollywood is famed for filmmaking.

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