English: The lower units of the Black Hills Paleozoic layers. The Deadwood Formation, Englewood Formation, and PahaSapa Limestone are topped with a gravel terace of Cenozoic age.
This work has been released into the public domain by its author, BHrock. This applies worldwide.
In some countries this may not be legally possible; if so: BHrock grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
The lower units of the Black Hills Paleozoic layers. The Deadwood Formation, Englewood Formation, and PahaSapa Limestone are topped with a gravel terace of Cenozoic age.
Photo and Graphics by BHrock aka Mike Vinton
Captions
The lower units of the Black Hills Paleozoic layers.
Items portrayed in this file
depicts
Deadwood Formation
copyright status
copyrighted, dedicated to the public domain by copyright holder
copyright license
released into the public domain by the copyright holder
inception
2 August 2006
File history
Click on a date/time to view the file as it appeared at that time.