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|a I 28.23:6980
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|a I 28.23:6980
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1 |
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|a Curth, Ernest A.,
|e author.
|0 http://id.loc.gov/authorities/names/n82087779
|1 http://isni.org/isni/0000000033639266.
|
| 245 |
1 |
0 |
|a Relative pressure changes in coal pillars during extraction :
|b a progress report /
|c by Ernest A. Curth.
|
| 264 |
|
1 |
|a [Washington, D.C.] :
|b U.S. Department of the Interior, Bureau of Mines,
|c [1967]
|
| 300 |
|
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|a 20 pages :
|b illustrations ;
|c 27 cm.
|
| 336 |
|
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|a text
|b txt
|2 rdacontent.
|
| 337 |
|
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|a unmediated
|b n
|2 rdamedia.
|
| 338 |
|
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|a volume
|b nc
|2 rdacarrier.
|
| 490 |
1 |
|
|a Report of investigations ;
|v 6980.
|
| 500 |
|
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|a At head of title: United States Department of the Interior, Bureau of Mines.
|
| 500 |
|
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|a "July 1967"--Cover.
|
| 504 |
|
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|a Includes bibliographical references (pages 18-19)
|
| 650 |
|
0 |
|a Mining engineering.
|0 http://id.loc.gov/authorities/subjects/sh85085712.
|
| 710 |
1 |
|
|a United States.
|b Bureau of Mines,
|e issuing body.
|0 http://id.loc.gov/authorities/names/n79063444
|1 http://isni.org/isni/0000000122941336.
|
| 776 |
0 |
8 |
|i Online version:
|a Curth, Ernest A.
|t Relative pressure changes in coal pillars during extraction
|w (OCoLC)629853317.
|
| 830 |
|
0 |
|a Report of investigations (United States. Bureau of Mines) ;
|v 6980.
|0 http://id.loc.gov/authorities/names/n42021077.
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