Photographed by Michael A. Klimetz

Petrified Wood

Navajo County

ARIZONA

American Museum of Natural History Specimen

Photographed by Michael A. Klimetz

Navajo County

ARIZONA

American Museum of Natural History Specimen

Photographed by Michael A. Klimetz

[Triassic]

El Kurru

Nubian Desert

SUDAN

Photographed by Michael A. Klimetz

Silicified Cypress-like Conifer Wood

Protocupressionoxylon purbeckensis

[Cretaceous - Purbeckian]

Great Dirt Bed

Portland

Dorset

UNITED KINGDOM

Photographed by Michael A. Klimetz

Silicified Cypress-like Conifer Wood

Protocupressionoxylon purbeckensis

[Cretaceous - Purbeckian]

Great Dirt Bed

Portland

Dorset

UNITED KINGDOM

Photographed by Michael P. Klimetz

Pinus sp.

[Oligocene]

Antero Formation

Hartsel

COLORADO

Photographed by Michael P. Klimetz

Conifer Root

Robert Sheep Ranch

Rattlesnake Hills

WASHINGTON

Photographed by Michael P. Klimetz

Conifer Root - Cell Structure

Robert Sheep Ranch

Rattlesnake Hills

WASHINGTON