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| 0000788965-16-000029-index.html | 2016-03-11 17:28:25 | |
| 0000788965-16-000029.txt | 2016-03-11 17:28:25 | |
| hnrg-20160311x8k.htm | 26732 | 2016-03-11 17:28:25 |
 hnrg-20160311x8kg001.jpg | 3943 | 2016-03-11 17:28:25 |
 hnrg-20160311x8kg002.jpg | 5224 | 2016-03-11 17:28:25 |
| hnrg-20160311xex99.htm | 22219 | 2016-03-11 17:28:25 |