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| 0000100885-19-000084-index.html | 2019-02-19 17:19:17 | |
| 0000100885-19-000084.txt | 2019-02-19 17:19:17 | |
| unp-20190219x8k.htm | 59179 | 2019-02-19 17:19:17 |
| unp-20190219xex1_1.htm | 301659 | 2019-02-19 17:19:17 |
| unp-20190219xex4_1.htm | 76026 | 2019-02-19 17:19:17 |
| unp-20190219xex4_2.htm | 75312 | 2019-02-19 17:19:17 |
| unp-20190219xex4_3.htm | 74954 | 2019-02-19 17:19:17 |
| unp-20190219xex4_4.htm | 74012 | 2019-02-19 17:19:17 |
| unp-20190219xex5_1.htm | 50140 | 2019-02-19 17:19:17 |
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