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| 0000950123-10-074068-index.html | 2010-08-06 13:18:16 | |
| 0000950123-10-074068.txt | 2010-08-06 13:18:16 | |
 0000950123-10-074068-xbrl.zip | 82973 | 2010-08-06 13:18:16 |
| defnref.xml | 35309 | 2010-08-06 13:18:16 |
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| Financial_Report.xls | 781416 | 2010-08-06 13:18:16 |
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| l40407exv10w1.htm | 3657 | 2010-08-06 13:18:16 |
| l40407exv12.htm | 21074 | 2010-08-06 13:18:16 |
| l40407exv31w1.htm | 5966 | 2010-08-06 13:18:16 |
| l40407exv31w2.htm | 5939 | 2010-08-06 13:18:16 |
| l40407exv32.htm | 3896 | 2010-08-06 13:18:16 |
| l40407exv99.htm | 17420 | 2010-08-06 13:18:16 |
| nfg-20100630.xml | 852989 | 2010-08-06 13:18:16 |
| nfg-20100630.xsd | 14114 | 2010-08-06 13:18:16 |
| nfg-20100630_cal.xml | 63135 | 2010-08-06 13:18:16 |
| nfg-20100630_def.xml | 117183 | 2010-08-06 13:18:16 |
| nfg-20100630_lab.xml | 166481 | 2010-08-06 13:18:16 |
| nfg-20100630_pre.xml | 136303 | 2010-08-06 13:18:16 |
| R1.xml | 31775 | 2010-08-06 13:18:16 |
| R10.xml | 240937 | 2010-08-06 13:18:16 |
| R11.xml | 82876 | 2010-08-06 13:18:16 |
| R12.xml | 7819 | 2010-08-06 13:18:16 |
| R13.xml | 11230 | 2010-08-06 13:18:16 |
| R14.xml | 126603 | 2010-08-06 13:18:16 |
| R15.xml | 38898 | 2010-08-06 13:18:16 |
| R16.xml | 98363 | 2010-08-06 13:18:16 |
| R2.xml | 144729 | 2010-08-06 13:18:16 |
| R3.xml | 12283 | 2010-08-06 13:18:16 |
| R4.xml | 192126 | 2010-08-06 13:18:16 |
| R5.xml | 19723 | 2010-08-06 13:18:16 |
| R6.xml | 126772 | 2010-08-06 13:18:16 |
| R7.xml | 70497 | 2010-08-06 13:18:16 |
| R8.xml | 55801 | 2010-08-06 13:18:16 |
| R9.xml | 183146 | 2010-08-06 13:18:16 |