| 
Country:
 | 
USA 
 | 
| 
Province:
 | 
Maryland 
 | 
| 
Locality:
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White Sulphur Branch, NE of Pratt 
 | 
| 
Layer:
 | 
Parkhead M., Jennings Fm. | 
| 
Lower Boundary:
 | 
UD1G--UD1H:kayseri--B.tenuistr.  [03,10], 378.7 million years
 
 | 
| 
Upper Boundary:
 | 
UD1H--UD1I:tenuistr.--P.tripart. [03,50], 378.1 million years
 
 | 
| 
Georeference:
 | 
 |