• P244566
    • South Stack Lighthouse, Holyhead....
    • P253419
    • Holyhead breakwater. 100 ton and 200...
    • P253420
    • Holyhead breakwater. 100 ton and 200...
    • P253757
    • Marienglas. Rock table of Carboniferous...
    • P253758
    • Newborough dunes. Folded Tyfry Beds.
    • P253759
    • Newborough dunes. Spilitic lava with...
    • P253760
    • Newborough dunes. Spilitic lava with...
    • P253761
    • Newborough dunes. Spilitic lava,...
    • P253762
    • Newborough dunes. Spilitic lava, larger...
    • P253763
    • Newborough dunes. Spilitic lava, larger...
    • P253764
    • Newborough dunes. Schistocity...
    • P248113
    • South Stack, near Holyhead. Marine...
    • P248114
    • South Stack, near Holyhead. Contorted...
    • P248740
    • Newborough. Blown sand with protruding...
    • P248741
    • Newborough. Pillow lava (spilite).
    • P248742
    • Newborough. Spilitic ellipsoids.
    • P248743
    • Newborough. Pillow lava (spilite).
    • P248744
    • Newborough. Exceptionally large...
    • P248745
    • Newborough. Spilite spheroids with...
    • P248746
    • Newborough. Interstitial jasper between...
    • P248747
    • Newborough. Interstitial limestone...
    • P248748
    • Newborough. Contorted Tyfry Beds.
    • P237198
    • Dwlban Point, Redwharf Bay. Sandstone...
    • P237199
    • Dwlban Point, Redwharf Bay. Connection...
    • P237200
    • Dwlban Point, Redwharf Bay. Large...
    • P237201
    • Dwlban Point, Redwharf Bay. Deflected...