Structured for AI

{  "@context": "https://schema.org",  "@type": "Campground",  "@id": "https://campertunity.com/listings/campgrounds/sylvan-lake-campground-custer-state-park-custer-sd",  "name": "Sylvan Lake Campground — Custer State Park",  "description": "Anyone who has camped at Sylvan Lake campground in South Dakota’s Custer State Park knows that Black Hills camping doesn’t get much better than this. Sylvan Lake Campground is one of eight designated campgrounds in Custer State Park, and one of the best public land destinations for camping in the Black Hills of southwest South Dakota. The region’s expanse of dense forests, rolling prairies and granite mountain peaks (the very same peaks that were used to form Mount Rushmore) offer photo-snapp...",  "url": "https://campertunity.com/listings/campgrounds/sylvan-lake-campground-custer-state-park-custer-sd",  "image": [    "https://photos.thedyrt.com/photo/634949/media/sylvan-lake-custer-state-park_52aae792-22df-4ef7-82c5-a2473c16c999.jpg"  ],  "address": {    "@type": "PostalAddress",    "streetAddress": "13329 US Highway 16A",    "addressLocality": "Custer",    "addressRegion": "SD",    "postalCode": "57730",    "addressCountry": "US"  },  "geo": {    "@type": "GeoCoordinates",    "latitude": 43.84358085,    "longitude": -103.56308028  },  "sameAs": [    "https://thedyrt.com/camping/south-dakota/sylvan-lake-custer-state-park"  ],  "amenityFeature": [    {      "@type": "LocationFeatureSpecification",      "name": "Established"    },    {      "@type": "LocationFeatureSpecification",      "name": "Playground"    },    {      "@type": "LocationFeatureSpecification",      "name": "Pet Friendly"    },    {      "@type": "LocationFeatureSpecification",      "name": "Hiking"    },    {      "@type": "LocationFeatureSpecification",      "name": "Swimming"    },    {      "@type": "LocationFeatureSpecification",      "name": "Lake"    },    {      "@type": "LocationFeatureSpecification",      "name": "Mountain"    },    {      "@type": "LocationFeatureSpecification",      "name": "Beach"    },    {      "@type": "LocationFeatureSpecification",      "name": "Hill"    }  ]}