Bison Partial Vertebrae - Fossil Quality:Staff Pick Description: Cotton Wood Bark with

Description: Cotton Wood Bark with Alder Twig on reverse

Approximate Size for 1 piece: 5cm x 3cm x 2cm Approximate Weight for 1 piece: 35g

Weight of 1 Mandrel: 2g

Overall Length: 27cm

Bison Partial Vertebrae - Fossil Quality:Staff Pick Description: Cotton Wood Bark withOrigin: Kentucky, USA Genus: American bison Era: Pliocene (2. 6 mya) Description: These bison vertebra are found in the coolest way. I've mined a lot of stone but none as fun as this. The collectors wander around in marsh and swamp area barefoot. when they feel something solid with their feet, they reach down into the water and pull it up. When they are lucky, its a fossil. The bones have calcified over the hundreds of thousands of years. Approximate