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| 0000070145-16-000126-index.html | 2016-05-04 10:34:53 | |
| 0000070145-16-000126.txt | 2016-05-04 10:34:53 | |
 0000070145-16-000126-xbrl.zip | 236784 | 2016-05-04 10:34:53 |
| FilingSummary.xml | 30198 | 2016-05-04 10:34:53 |
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| nfg-20160331.xsd | 56032 | 2016-05-04 10:34:53 |
| nfg-20160331_cal.xml | 90037 | 2016-05-04 10:34:53 |
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| nfg-20160331_lab.xml | 679583 | 2016-05-04 10:34:53 |
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| nfg-3312016x10q.htm | 1645941 | 2016-05-04 10:34:53 |
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| report.css | 2767 | 2016-05-04 10:34:53 |
| Show.js | 1410 | 2016-05-04 10:34:53 |