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  "name": "Marble Beach State Park",
  "description": "On the shore of Spirit Lake, Marble Beach State Recreation features one of Iowa’s most popular campgrounds. Spirit Lake is the largest natural lake in Iowa and provides some of the best fishing in the state.",
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    "streetAddress": "12320 240th Ave",
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    "addressRegion": "IA",
    "postalCode": "51360",
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    "latitude": 43.448119,
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