The North Wales Coalfield: The Main Seam ...
Author : Great Britain. Fuel Research Board
Publisher :
Page : 72 pages
File Size : 49,65 MB
Release : 1938
Category : Coal
ISBN :
Author : Great Britain. Fuel Research Board
Publisher :
Page : 72 pages
File Size : 49,65 MB
Release : 1938
Category : Coal
ISBN :
Author : Frederick John North
Publisher :
Page : 208 pages
File Size : 50,58 MB
Release : 1926
Category : Technology & Engineering
ISBN :
Author : Geological Survey of New South Wales
Publisher :
Page : 138 pages
File Size : 39,86 MB
Release : 1912
Category : Coal
ISBN :
Author : Hugh F. Adams
Publisher :
Page : 38 pages
File Size : 42,48 MB
Release : 1967
Category : Coal
ISBN :
Author : Frederick John North
Publisher :
Page : 30 pages
File Size : 50,64 MB
Release : 1924
Category : Coal
ISBN :
Author : W. Gerwyn Thomas
Publisher :
Page : 72 pages
File Size : 16,98 MB
Release : 1976
Category : Business & Economics
ISBN :
Author :
Publisher :
Page : pages
File Size : 42,86 MB
Release : 1959
Category :
ISBN :
Author : Great Britain. Fuel Research Board
Publisher :
Page : 44 pages
File Size : 37,9 MB
Release : 1942
Category : Coal
ISBN :
Author : Geological Survey of Great Britain
Publisher :
Page : 180 pages
File Size : 30,1 MB
Release : 1917
Category : Coal
ISBN :
Author : Sir Aubrey Strahan
Publisher :
Page : 104 pages
File Size : 50,8 MB
Release : 1908
Category : Anthracite coal
ISBN :