Structured for AI

{  "@context": "https://schema.org",  "@type": "Campground",  "@id": "https://campertunity.com/listings/campgrounds/petersburg-borough-tongass-national-forest-three-lakes-shelt",  "name": "Petersburg Borough, Tongass National Forest, Three Lakes Shelter",  "description": "Three Lakes Shelter is a historic three-sided Adirondack-style shelter located on Shelter Lake, nestled between Sand and Hill Lakes along the Three Lakes Loop Trail system on Mitkof Island. The shelter was originally constructed in 1938 by the Civilian Conservation Corps and was dismantled and rebuilt in 2006 as part of the National Historic Preservation efforts. This is a day-use facility that provides a sheltered rest area for hikers exploring the Three Lakes Trail system. The shelter sits...",  "url": "https://campertunity.com/listings/campgrounds/petersburg-borough-tongass-national-forest-three-lakes-shelt",  "image": [    "https://campflare.com/preview.png"  ],  "address": {    "@type": "PostalAddress",    "addressCountry": "US"  },  "geo": {    "@type": "GeoCoordinates",    "latitude": 56.675662994384766,    "longitude": -132.6815643310547  },  "sameAs": [    "https://campflare.com/campground/three-lakes-shelter-P36"  ],  "amenityFeature": [    {      "@type": "LocationFeatureSpecification",      "name": "Hiking"    },    {      "@type": "LocationFeatureSpecification",      "name": "Boating"    },    {      "@type": "LocationFeatureSpecification",      "name": "Fishing"    },    {      "@type": "LocationFeatureSpecification",      "name": "Forest"    },    {      "@type": "LocationFeatureSpecification",      "name": "Island"    },    {      "@type": "LocationFeatureSpecification",      "name": "Rainforest"    },    {      "@type": "LocationFeatureSpecification",      "name": "Coastal"    }  ]}