Miscellaneous papers and plans relating to lead mining companies, Cardiganshire, 1847-1937, acquired by the British Geological Survey.

A letter, 22 November 1763, from Thomas Allcocks, at Garreg [or Carreg] lead mine, in the vicinity of Talybont, Cardiganshire, to an unidentified recipient, giving news relating to lead and other mineral mining in the area.

Stray papers of the Waddingham family, some of which relate to the Hafod estate, Cardiganshire, 1794-1910, including transcriptions, 1794, of notes on lead mines by Lewis Morris; cost and contract books of Bwlchyranos and South Hafod Lead Mines, 1859-1868; printed Cardiganshire election registers, 1862-1865; miscellaneous press cuttings collected by T. J. Waddingham; estate administration records, including agreements to sell timber for shipbuilding from the Hafod Estate by William Chambers, 1857 and papers relating to water supply and railways; return of copies of a crown land survey adjacent to Hafod, 1845; and various printed pamphlets.