Layers of sandstone, shale, and coal in Pennsylvanian Wise Formation
Detailed Description
Layers of sandstone, shale, and coal in Pennsylvanian Wise Formation, near the Virginia-Kentucky border, Wise County.
Sources/Usage
Public Domain.
Layers of sandstone, shale, and coal in Pennsylvanian Wise Formation, near the Virginia-Kentucky border, Wise County.
Public Domain.