George Grove Blackwell
Major shareholder of Welsh Manganese Co. Ltd
|1872–1877||eight grants of lease (one with Richard Dormer) for clay in Caerhun and Gyffin parishes, Carenarfonshire||[PRO LRRO: 16/48, 51, 55, 58, 60]|
|1889||grant of lease for minerals in Llanfihangel y Traethau parish, Merioneth||[PRO LRRO: 16/87]|
|1889–1891||six grants of memorandum of renewal for minerals (four with Ellis Prichard) in Llanbedr, Llandanwg and Llanfihangel y Traethau parishes, Merioneth||[PRO LRRO: 16/88, 90, 92]|
see also G G Blackwell, Sons & Co.