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20211129160613.0 |
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080729s1985 pau s f000 0 eng d |
| 035 |
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|a (OCoLC)ocn236463909
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|a GPO
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|d UtOrBLW
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|a WWW
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| 074 |
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|a 0499-F-22 (online)
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| 086 |
0 |
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|a HE 20.7131:8987
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| 100 |
1 |
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|a Kertis, Carla A.
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| 245 |
1 |
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|a Reducing hazards in underground coal mines through the recognition and delineation of coalbed discontinuities caused by ancient channel processes /
|c by Carla A. Kertis.
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| 264 |
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1 |
|a [Pittsburgh, Pa.] :
|b U.S. Dept. of the Interior, Bureau of Mines,
|c [1985]
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| 300 |
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|a 23 pages :
|b digital, PDF file.
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| 336 |
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|a text
|b txt
|2 rdacontent
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| 337 |
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|a computer
|b c
|2 rdamedia
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| 338 |
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|a unspecified
|b zu
|2 rdacarrier
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| 490 |
1 |
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|a Report of investigations ;
|v 8987
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| 538 |
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|a Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/28/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/ri8987.pdf ; current access available via PURL.
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| 500 |
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|a Title from title screen (viewed on July 28, 2008).
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| 500 |
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|a Electronic resource.
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| 650 |
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0 |
|a Coal
|x Geology
|z Pennsylvania
|z Indiana County.
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| 650 |
|
0 |
|a Coal
|x Geology
|z Pennsylvania
|z Armstrong County.
|
| 650 |
|
0 |
|a River channels.
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| 650 |
|
0 |
|a Coal mines and mining
|z Pennsylvania
|z Indiana County
|x Safety measures.
|
| 650 |
|
0 |
|a Coal mines and mining
|z Pennsylvania
|z Armstrong County
|x Safety measures.
|
| 776 |
1 |
|
|a Kertis, Carla A.
|t Reducing hazards in underground coal mines through the recognition and delineation of coalbed discontinuities caused by ancient channel processes
|h 23 p.
|w (DLC) 85600080
|w (OCoLC)11971535
|
| 710 |
1 |
|
|a United States.
|b Bureau of Mines.
|
| 830 |
|
0 |
|a Report of investigations (United States. Bureau of Mines) ;
|v 8987.
|
| 856 |
4 |
0 |
|u https://purl.fdlp.gov/GPO/LPS98493
|t 0
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|a MARS
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|t 0
|
| 952 |
f |
f |
|a Texas A&M University
|b College Station
|c Electronic Resources
|d Available Online
|t 0
|e HE 20.7131:8987
|h Superintendent of Documents classification
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| 998 |
f |
f |
|a HE 20.7131:8987
|t 0
|l Available Online
|