NWD-1051: Tru - Triassic Undivided
NWD-1051: Photograph of Triassic sandstone outcrop, exhibiting crossbeded layers. Hammer for scale.
 

Example from Northeast Durham quadrangle:

NED-1040: Handsample photograph of Triassic age sandstone.

 


 
 
 
 
 
     
 
         
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