May 3, 2010January 4, 2020 by Steven Michael Martin John Day Fossil Beds NM and Columbia River Gorge Read More › in Fossils and Giants / National Monuments / Oregon / Prehistory
May 3, 2010December 1, 2019 by Steven Michael Martin Portland, Oregon Read More › in Fossils and Giants / Oregon
April 30, 2010January 4, 2020 by Steven Michael Martin Crater Lake NP and Lava Beds NM Read More › in California / Fossils and Giants / National Monuments / NP - West / Oregon
