BACKGROUND: The Green River Formation (early Eocene. about 42-53 Ma) at and near Fossil Butte National Monument in Wyoming. USA. is world famous for its exquisitely preserved freshwater teleost fish in the former Fossil Lake. https://safeersappliancers.shop/product-category/bertazzoni-p755cprox-75cm-professional-series-5-burner-gas-hob-lpg-convertible/