Geologic factors in predicting coal mine roof-rock stability in the upper Kittanning coalbed, Somerset County, Pa
Other Authors: | Iannacchione, Anthony T. |
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Format: | Book |
Language: | English |
Published: |
[Washington, D.C.?] :
U.S. Dept. of the Interior, Bureau of Mines,
[1981]
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Physical Description: |
ii, 41 pages : illustrations, maps ; 27 cm. |
Series: |
Report of investigations (United States. Bureau of Mines)
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Subjects: |
CMU Storage Gov Pub
Location | Call Number: | Status |
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CMU Storage Gov Pub | I 28.23:8575 | Available |