Geologic map of Great Sand Dunes National Park, Colorado

🎂🎈Happy Birthday to Great Sand Dunes National Park and Preserve, established #OTD in 1932 (Preserve auth 2000; redes from a NM 2004). Celebrate with the Geologic map of Great Sand Dunes National Park: https://t.co/w65XqCmaQS #Colorado @NatlParkServ… https

🥳🥳 @GreatDunesNPS #ParkChat

🎂🎈Happy Birthday to Great Sand Dunes National Park and Preserve, established #OTD in 1932 (Preserve auth 2000; redes from a NM 2004). Celebrate with the Geologic map of Great Sand Dunes National Park: https://t.co/F5jqPRTQYS #Colorado @NatlParkService 📸

https://t.co/rQWaDntNYK