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| 0000073088-19-000145-index.html | 2019-12-23 15:59:22 | |
| 0000073088-19-000145.txt | 2019-12-23 15:59:22 | |
 0000073088-19-000145-xbrl.zip | 102157 | 2019-12-23 15:59:22 |
 a2incolora02.jpg | 77538 | 2019-12-23 15:59:22 |
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| exhibit992formoferrpaw.htm | 36628 | 2019-12-23 15:59:22 |
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| Financial_Report.xlsx | 5774 | 2019-12-23 15:59:22 |
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| form8kerrpandstip_htm.xml | 4363 | 2019-12-23 15:59:22 |
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| nwe-20191218.xsd | 4691 | 2019-12-23 15:59:22 |
| nwe-20191218_cal.xml | 720 | 2019-12-23 15:59:22 |
| nwe-20191218_def.xml | 3878 | 2019-12-23 15:59:22 |
| nwe-20191218_lab.xml | 30576 | 2019-12-23 15:59:22 |
| nwe-20191218_pre.xml | 15840 | 2019-12-23 15:59:22 |
| R1.htm | 38850 | 2019-12-23 15:59:22 |
| report.css | 2767 | 2019-12-23 15:59:22 |
| Show.js | 1085 | 2019-12-23 15:59:22 |