ID 163247602 © Heaslet | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
1980s 1990s 375millionyearold activity attraction bedrock city deposits destination devonian educational entrance exposing flooding fossil fossils geologic geology gorge history iowa landmark limestone midwest nature old park recreational removed rock scientific sedimentary sign site stone study topsoil tourism travel tree trip usa vegetation