Wales geology- Wenlock shale in bank of River Irfon

• by bobk47

  Map of River Irfon, shales with fossils; Wenlock, Ludlow; graptolites, cephalopod, trilobites
  1898

  Posted March 6, 2015 11:40 PM

• by trosesandler scientist

  Great keyword choices bobk47!

  Posted March 8, 2015 6:01 PM