Timing and duration of subsidence due to longwall mining
By: by Paul W. Jeran and Michael A. Trevits
Contributors: United States. Bureau of Mines
Series: Report of investigations -- 9552; Report of investigations (United States. Bureau of Mines) -- 9552
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1995
Place of publication: [Washington, D.C.?]
Language: eng
Format: Microform
Number of pages: 17
Subjects: Mine subsidences -- Appalachian Region; Longwall mining -- Environmental aspects -- Appalachian Region
Notes: Distributed to depository libraries in microfiche

Shipping list no.: 95-0602-M

Includes bibliographical references (p. 17)

Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1995] 1 microfiche : negative