George Grove Blackwell

Major shareholder of Welsh Manganese Co. Ltd

1889  leasor Llyn Eiddew Mawr (with Ellis Pritchard)

Crown Grants:

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.