Lepidodendron
Photographed by Michael P. Klimetz
[Bark Impressions in Shale]

Carboniferous - Westphalian

Czierwonka
POLAND
Photographed by Michael P. Klimetz
[Bark Impressions in Shale]

Carboniferous - Westphalian

Pas de Calais
FRANCE
Photographed by Michael P. Klimetz
Carboniferous - Westphalian

Duckmantian Stage Roof Shales
Crock Hay Open Cast

Wigan

Lancashire
UNITED KINGDOM
Photographed by Michael P. Klimetz
Carboniferous - Westphalian

Duckmantian Stage Roof Shales
Crock Hay Open Cast

Wigan

Lancashire
UNITED KINGDOM
Photographed by Michael P. Klimetz
[Bark Impressions in Shale]

Pennsylvanian

KENTUCKY
Photographed by Michael P. Klimetz
[Carbonized Bark and Bark Impressions in Shale]

Pennsylvanian

KENTUCKY
Photographed by Michael P. Klimetz
[Cone in Shale]

Carboniferous-Westphalian

Upper Silesia
POLAND
Photographed by Michael P. Klimetz
[Cone in Shale]

Carboniferous-Westphalian

Upper Silesia
POLAND
Photographed by Michael P. Klimetz
[Bark Impression in Shale]

Carboniferous-Westphalian

Maurits State Mine

Geleen
THE NETHERLANDS
Photographed by Michael P. Klimetz
[Bark Impression in Shale]

Carboniferous-Westphalian

Maurits State Mine

Geleen
THE NETHERLANDS
Photographed by Michael P. Klimetz

[Leaf Tips in Siltstone]

Pennsylvanian
Pottsville Formation

Bessemer

Jefferson County
ALABAMA
Photographed by Michael P. Klimetz

[Leaf Tips in Siltstone]

Pennsylvanian
Pottsville Formation

Bessemer

Jefferson County
ALABAMA
Photographed by Michael P. Klimetz

[Leaf Tips in Siltstone]

Pennsylvanian
Pottsville Formation

Bessemer

Jefferson County
ALABAMA
Photographed by Michael P. Klimetz

[Leaf Tips in Siltstone]

Pennsylvanian
Pottsville Formation

Bessemer

Jefferson County
ALABAMA
Photographed by Michael P. Klimetz

[Leaf Tips in Siltstone]

Pennsylvanian
Pottsville Formation

Bessemer

Jefferson County
ALABAMA
Photographed by Michael P. Klimetz

[Leaf Tips in Siltstone]

Pennsylvanian
Pottsville Formation

Bessemer

Jefferson County
ALABAMA
Photographed by Michael P. Klimetz

[Leaf Tips in Siltstone]

Pennsylvanian
Pottsville Formation

Bessemer

Jefferson County
ALABAMA