Green River Wyoming

WYO is Full of Poop
WYO is Full of Poop
WYO is Full of Poop
Last year, the Guiness Book of World Records officially certified the largest collection of coprolite on Earth. What is coprolite? It's a Greek term for 'dung stone", which basically means fossilized dinosaur poop. Wyoming has one of the largest, and oldest, collections of dinosaur poop on the planet, dating back over 56 million years...