7-1/2" Petrified Swamp Bog (Gary Green) 22a52ec489a60c821ec4226747aefb1c having been first discovered in

having been first discovered in Malheur County

was the Tully Monster determined to be an early vertebrate and likely a jawless fish on the stem lineage of modern-day lampreys

adding to the interest and forming unusual specimens

uprooting much of the agate formations and depositing them along the shores of Lake Superior

7-1/2" Petrified Swamp Bog (Gary Green) 22a52ec489a60c821ec4226747aefb1c having been first discovered inBetween 11 15 million years ago, during the Miocene time period, a volcano located near what is now called McDermitt, Oregon erupted, spewing ash and debris over a widespread area. That ash, contained a combination of iron, aluminium, potassium, sodium and calcium, which covered everything for miles around, including shallow wetlands. Cattails, fish, amphibians and all other life in those wetlands (bogs) were suffocated by the ash and immediately