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| 0000788965-15-000014-index.html | 2015-08-20 12:25:59 | |
| 0000788965-15-000014.txt | 2015-08-20 12:25:59 | |
| hnrg-20150819x8k.htm | 25675 | 2015-08-20 12:25:59 |
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| hnrg-20150819xex99.htm | 6344 | 2015-08-20 12:25:59 |