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作者	Moebs, Noel N.

標題 The geologic character of some coal wants at the Westland Mine in southwestern Pennsylvania / by Noel N. Moebs.

出版資料	[Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1981.

說明	25 p. : ill., maps ; 27 cm.
系列	Report of investigations ; 8555
	Report of investigations (United States. Bureau of Mines) ; 8555.
With:	Bound With: Beneficiation with magnetic fluids /
Bibliography	Bibliography: p. 25.
主題	Coal -- Geology -- Pennsylvania.
添加作者	United States. Bureau of Mines.
政府出版物號碼	637-A
	I 28.23:8555