Pembrokeshire Coalfield Pembrokeshire Coalfield The Pembrokeshire Coalfield in West Wales is one of the smallest British coalfields, but continuously worked from the 14th to 20th centuries. The main coalfield extends from Saundersfoot on Carmarthen Bay westwards to Broad Haven on St Brides Bay. A small detached portion of the field is centred on Newgale on St Brides Bay. The coalfield is in effect the westernmost extension of the South Wales Coalfield though it is separated from the main body of that field by Carmarthen. Coal seams within the Pembrokeshire Coalfield are traditionally referred to as veins. The following sequence is recognised in
Templeton, Pembrokeshire a regular system of fields, which themselves still show the narrow strips representing recent enclosures from an extensive medieval "open field" agricultural field system. It is not certain that the Templars were responsible for creating the planned settlement. It is possible that this was done by Mortimer incorporating an earlier agricultural holding or farm established by the Templars. It was once a marcher borough. Owen, in 1603, described it as one of nine Pembrokeshire "boroughs in decay". In the 17th century Narberth Mountain was stocked with Red Deer and covered of woodland. The Pembrokeshire county history records also show open