Unidentified leaf fossil found in the Florisant formation of Teller County Colorado USA. This fossil is special in that it has three place...

  Over ten years ago while digging the footers for a sun room addition to the house, I found large rock about the size of a volleyball.  I b...

1920 drawing by Dr. Elvira Wood of the  Ceraurus pleurexanthemus  trilobite. Published in  The Appendages, Anatomy, and Relationships of Tri...