{
  "@context": "https://schema.org",
  "@type": "Event",
  "name": "First Mass — La Prairie de la Messe (Green River Rendezvous site, Horse Creek), Wyoming",
  "startDate": "1840-07-05",
  "description": "First Mass said in La Prairie de la Messe (Green River Rendezvous site, Horse Creek), Wyoming on July 5, 1840 by Fr. Pierre-Jean De Smet.",
  "url": "https://firstmass.net/entries/wyoming-la-prairie-de-la-messe-green-river-rendezvous-site-horse-creek-1840.html",
  "location": {
    "@type": "Place",
    "name": "La Prairie de la Messe (Green River Rendezvous site, Horse Creek), Wyoming",
    "geo": {
      "@type": "GeoCoordinates",
      "latitude": 42.8681,
      "longitude": -110.0514
    }
  }
}