Washability Studies of the Blue Creek Bed at the Connellsville Mine, Connellsville, Ala.
Contributors: Gandrud, B.W.; Richardson, A.C.; Payne, W.G.
Series: Report of investigations (United States. Bureau of Mines) -- 3200
Publisher: s.n
Published: 1933
Place of publication: S.l
Language: eng
Notes: 1