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| 0001564590-19-012935-index.html | 2019-04-25 11:00:17 | |
| 0001564590-19-012935.txt | 2019-04-25 11:00:17 | |
| crr-8k_20190425.htm | 31519 | 2019-04-25 11:00:17 |
| crr-ex991_6.htm | 324801 | 2019-04-25 11:00:17 |
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