Structured for AI

{  "@context": "https://schema.org",  "@type": "Campground",  "@id": "https://campertunity.com/listings/campgrounds/ballards-marsh-state-wildlife-area-valentine-ne",  "name": "Ballards Marsh State Wildlife Area",  "description": "Part of the Nebraska Game and Parks Commission's Ballards Marsh Wildlife Management Area, this small campground accommodates just three sites with vault toilet facilities and a hand pump for water access. The sites provide both drive-in and walk-in options within prairie grassland dotted by small marshy lakes. Cell service reaches the area, and campfires are permitted at the sites. The compact layout suits campers who prefer less crowded conditions in a working wildlife management area. For t...",  "url": "https://campertunity.com/listings/campgrounds/ballards-marsh-state-wildlife-area-valentine-ne",  "image": [    "https://photos.thedyrt.com/photo/media/ballards-marsh-state-wildlife-area_544daa04-3c27-4217-b5f9-6a1fea5e638c.jpg"  ],  "address": {    "@type": "PostalAddress",    "addressLocality": "Valentine",    "addressRegion": "NE",    "postalCode": "69201",    "addressCountry": "US"  },  "geo": {    "@type": "GeoCoordinates",    "latitude": 42.59900086,    "longitude": -100.55100075  },  "sameAs": [    "https://thedyrt.com/camping/nebraska/ballards-marsh-state-wildlife-area"  ],  "amenityFeature": [    {      "@type": "LocationFeatureSpecification",      "name": "Established"    },    {      "@type": "LocationFeatureSpecification",      "name": "Vault Toilets"    },    {      "@type": "LocationFeatureSpecification",      "name": "Cell Service"    },    {      "@type": "LocationFeatureSpecification",      "name": "Toilets"    },    {      "@type": "LocationFeatureSpecification",      "name": "Outhouse"    },    {      "@type": "LocationFeatureSpecification",      "name": "Grassland"    },    {      "@type": "LocationFeatureSpecification",      "name": "Prairie"    },    {      "@type": "LocationFeatureSpecification",      "name": "Wetland"    },    {      "@type": "LocationFeatureSpecification",      "name": "Drive In"    },    {      "@type": "LocationFeatureSpecification",      "name": "Walk In"    },    {      "@type": "LocationFeatureSpecification",      "name": "Drive In"    },    {      "@type": "LocationFeatureSpecification",      "name": "Walk In"    },    {      "@type": "LocationFeatureSpecification",      "name": "Equestrian"    }  ]}