Tristen Klavenga was searching for turtles and snakes while walking with friends on a creek off the Cahaba River in Irondale on Saturday. It wasn’t a turtle or a tree that was the highlight of ...
Tristen Klavenga was searching for turtles and snakes while walking with friends on a creek off the Cahaba River in Irondale on Saturday. It wasn’t a turtle or a tree that was the highlight of ...
Carboniferous of Europe, a swampy palaeoenvironmental setting with tree-like Lepidodendron (lycopsids) forming a dense forest. Also shown is stem of a giant horsetail -- calamites (the one growing at ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
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