Mineral Resources Archive (Mra): Scotland & Northern England.

Collection of c.5,000 items relating to economic mineral exploration and exploitation in Scotland (with some records for Northern England) pre c.1960. Incorporates Non-Ferrous Metallic Ores Committee and Mineral Development Committee records. Collection originally arranged by mineral commodity, but new data is added in accession order.

苏格兰及其北部英格兰地区大约5,000件与经济矿产勘探与开发相关的数据集（部分记录始于1960年之前）。该数据集整合了非铁金属矿石委员会和矿产资源发展委员会的记录。原始数据集按照矿物商品进行排列，但新加入的数据按照登记顺序进行归档。