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1857

40. Haverfordwest.

Geologic Atlas

40. Haverfordwest.

1857

41. Caermathen.

Geologic Atlas

41. Caermathen.

1857

42. Brechnock, Brecon, NW Quad.

Geologic Atlas

42. Brechnock, Brecon, NW Quad.

1857

42. Brecon, SE Quad.

Geologic Atlas

42. Brecon, SE Quad.