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| 0001213900-17-012085-index.html | 2017-11-14 16:07:07 | |
| 0001213900-17-012085.txt | 2017-11-14 16:07:07 | |
 0001213900-17-012085-xbrl.zip | 136193 | 2017-11-14 16:07:07 |
| crbo-20170930.xml | 871725 | 2017-11-14 16:07:07 |
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| f10q0917_carbonnaturalgas.htm | 682008 | 2017-11-14 16:07:07 |
| FilingSummary.xml | 33257 | 2017-11-14 16:07:07 |
| Financial_Report.xlsx | 76788 | 2017-11-14 16:07:07 |
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| report.css | 2767 | 2017-11-14 16:07:07 |
| Show.js | 1410 | 2017-11-14 16:07:07 |