Below you’ll find the ultimate guide to Petrified Forest ... years of geologic history has been windswept and washed out of ...

who prospered as a guide for souvenir- hunting parties bound into remote parts of the Petrified Forest.) By 1899 a U.S. Geological Survey report declared that if something wasn't done about the ...

Locked within the stones and fossils of Petrified Forest National Park lies a record ... When those trees fell and were buried under layers of sediment, groundwater rich in silica from volcanic ...