Petrified Branch - Full Slice poop The size and strength of

The size and strength of the vertebrae were essential to providing support for this enormous predator

This specimen is a 136-gram fragment of a leaded glass shield window installed in the T Plant (221-T) Plutonium Recovery Building

all sold under one discounted price

This specimen is a section from a leather practice ball that was owned and used by Pelé

twice the speed of sound

Petrified Branch - Full Slice poop The size and strength ofAbove: Front of Specimen Card "When the plant deposits are as thoroughly explored as the animal deposits have been, stratigraphic geology will receive much valuable aid." ~ Frank Hall Knowlton, USGS Botanist, 1889. Petrified wood is a unique type of fossil that preserves the impressions of the organic material down to a cellular level. The most common plant fossils are often only impressions of anatomical details left upon soft earth during