Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000072207-19-000058-index.html | 2019-06-18 16:23:01 | |
| 0000072207-19-000058.txt | 2019-06-18 16:23:01 | |
| nbl_2018401kxform11-k.htm | 269526 | 2019-06-18 16:23:01 |
| nbl_2018x11-kxex231.htm | 3305 | 2019-06-18 16:23:01 |