Structured for AI

{  "@context": "https://schema.org",  "@type": "Campground",  "@id": "https://campertunity.com/listings/campgrounds/rec-259242",  "name": "D.H. Day Campground",  "description": "Overview\n\nD.H. Day Campground is located in the northern district of Sleeping Bear Dunes National Lakeshore, on the lower peninsula of Michigan. \n\nThis rustic campground is one of the most popular in Northern Michigan and is open (weather permitting) from April 27 through the 4th Sunday in November. Reservations are required May 15 through October 15. Campsites are within walking distance of the Lake Michigan shoreline and a short drive to many popular features in the park. Summer temperature...",  "url": "https://campertunity.com/listings/campgrounds/rec-259242",  "image": [    "https://cdn.recreation.gov/public/2023/11/06/15/10/259242_3eee011a-8ae9-4c2f-9caa-317778f2f382_1440.webp",    "https://cdn.recreation.gov/public/2025/09/22/19/38/259242_cccbcc8f-2f0d-4a1b-8f78-10f39281de8f_700.webp",    "https://cdn.recreation.gov/public/2019/10/07/14/31/259242_c220dfdf-7cb4-4758-9386-28421950e200_700.webp",    "https://cdn.recreation.gov/public/2020/09/24/20/34/259242_204e7d53-d3c1-4753-8fc5-c8dfdd6fa728_700.webp",    "https://cdn.recreation.gov/public/2019/10/07/14/34/259242_e018e2bd-9d7f-440b-ab28-525059a3e76c_700.webp",    "https://cdn.recreation.gov/public/2026/07/08/15/37/259242_9e9280d7-a03b-4205-b129-76a8df6b0995_700.jpg",    "https://cdn.recreation.gov/public/2019/10/07/14/33/259242_98728b60-af60-4347-b22f-b5370fafb603_700.webp",    "https://cdn.recreation.gov/public/2019/10/07/14/32/259242_b3e91c41-880f-4113-bff3-52d401a69f57_700.webp",    "https://cdn.recreation.gov/public/2025/01/15/19/44/259242_54eab775-7285-4f40-8d45-ad97cda0f8aa_1440.webp",    "https://cdn.recreation.gov/public/2026/07/08/15/47/259242_02617262-ff12-48be-9a44-6280e61df3b8_700.jpg",    "https://cdn.recreation.gov/public/2020/09/24/20/34/259242_7da68eb3-35d4-4453-acae-9d2f41da9d7d_700.webp",    "https://cdn.recreation.gov/public/2025/09/22/13/11/259242_aecc9a12-e0f7-4f8e-816d-6434b089b84d_1440.webp",    "https://cdn.recreation.gov/public/2026/07/08/15/33/259242_cb7812a1-bab9-470b-9429-8b7721d722a7_700.jpg",    "https://cdn.recreation.gov/public/2026/07/08/15/45/259242_bf78dfca-97c6-4e8c-bd54-d4d4341988c5_700.jpg",    "https://cdn.recreation.gov/public/2019/10/07/14/34/259242_81adda00-0382-4334-a119-36069470929a_700.webp",    "https://cdn.recreation.gov/public/2019/10/07/14/31/259242_9078f4fc-6849-4dc4-8c1d-36d37b3c9519_700.webp",    "https://cdn.recreation.gov/public/2019/10/07/14/32/259242_76a643e1-7731-47ba-9a8e-280e49a48f68_700.webp",    "https://cdn.recreation.gov/public/2026/07/08/15/39/259242_9fc4e5c0-38f4-4207-a1d5-051d298b8c4a_700.jpg",    "https://cdn.recreation.gov/public/2019/10/07/14/34/259242_0a64cf43-1003-4a4e-8eff-6ef398619437_700.webp",    "https://cdn.recreation.gov/public/2021/11/28/17/16/259242_74dce7f0-1244-48a2-a5b0-f85263d9b9af_1440.webp"  ],  "address": {    "@type": "PostalAddress",    "streetAddress": "Glen Arbor Township, MI, USA",    "postalCode": "",    "addressCountry": "US"  },  "geo": {    "@type": "GeoCoordinates",    "latitude": 44.897278,    "longitude": -86.020564  },  "sameAs": [    "https://www.recreation.gov/camping/campgrounds/259242"  ],  "numberOfRooms": 87,  "amenityFeature": [    {      "@type": "LocationFeatureSpecification",      "name": "Tent Camping"    },    {      "@type": "LocationFeatureSpecification",      "name": "Rv Camping"    },    {      "@type": "LocationFeatureSpecification",      "name": "Tent"    },    {      "@type": "LocationFeatureSpecification",      "name": "Rv"    },    {      "@type": "LocationFeatureSpecification",      "name": "Biking"    },    {      "@type": "LocationFeatureSpecification",      "name": "Fishing"    },    {      "@type": "LocationFeatureSpecification",      "name": "Hiking"    }  ]}