OLD RED SANDSTONE OF THE BLACK MOUNTAINS Duncan Hawley and Geraint Owen View E over the Rhiangoll valley from near locality 8, the Allt Mawr ridge and the S flanks of the Black Mountains,

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Date: 2014-03-10 12:11:33 Old Red Sandstone Black Mountains Wales Sedimentary rock Sandstone Geology of Monmouthshire Twmpa		OLD RED SANDSTONE OF THE BLACK MOUNTAINS Duncan Hawley and Geraint Owen View E over the Rhiangoll valley from near locality 8, the Allt Mawr ridge and the S flanks of the Black Mountains, Add to Reading List Source URL: www.swga.org.uk Download Document from Source Website File Size: 874,44 KB Share Document on Facebook