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| 0001564590-18-009210-index.html | 2018-04-26 11:00:17 | |
| 0001564590-18-009210.txt | 2018-04-26 11:00:17 | |
| crr-8k_20180426.htm | 31514 | 2018-04-26 11:00:17 |
| crr-ex991_6.htm | 278598 | 2018-04-26 11:00:17 |
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