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| 0001564590-18-003157-index.html | 2018-02-26 11:55:55 | |
| 0001564590-18-003157.txt | 2018-02-26 11:55:55 | |
| crk-8k_20180226.htm | 23622 | 2018-02-26 11:55:55 |
| crk-ex991_6.htm | 745542 | 2018-02-26 11:55:55 |
 g2018022614344706218082.jpg | 10016 | 2018-02-26 11:55:55 |