|
Locality |
Layer |
|
USA, Alabama, Jefferson Co., Port Birmingham |
Lower Pennsylvanian |
|
USA, Kentucky, Floyd Co., Kendrick homestead 3,5mls E of Alvin |
Kendrick Shale |
|
USA, Kentucky, Pike Co., Elkhorn City, Levisa Fork-Grapevine Cr. |
Kendrick Shale |
|
USA, Kentucky, Pike or Letcher Co., Elkhorn Creek |
Kendrick Shale |
|
USA, Texas, Hudspeth Co., Marble Canyon, 0.25 ml N of |
Smithwick Shale |
|
USA, Texas, San Saba Co., Bend, 1 ml SW of |
Smithwick Shale |