Field trials of the Armfield electronic guage board

[摘要] The Morpeth-Ashington-Bedlington area forms part of the Northumberland Coalfield. Coal mining and its decline has left a legacy of reclaimed and unreclaimed spoil heaps, uncharted old workings, subsidence and abandoned shafts. Large areas of variably restored opencast coal and brick clay workings are equally common. Resources of coal and industrial minerals remain, despite the long history of mining and quarrying.

[发布机构] Institute of Freshwater Ecology

[学科分类] 工程和技术（综合）