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| 0000788965-15-000016-index.html | 2015-11-18 20:15:51 | |
| 0000788965-15-000016.txt | 2015-11-18 20:15:51 | |
| hnrg-20151116ex991c309c5.htm | 249945 | 2015-11-18 20:15:51 |
| hnrg-20151116x8k.htm | 26601 | 2015-11-18 20:15:51 |
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