Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001552781-22-000213-index-headers.html | 2022-02-25 16:25:32 | |
| 0001552781-22-000213-index.html | 2022-02-25 16:25:32 | |
| 0001552781-22-000213.txt | 2022-02-25 16:25:32 | |
 0001552781-22-000213-xbrl.zip | 53692 | 2022-02-25 16:25:32 |
| e22104_ex4-1.htm | 166002 | 2022-02-25 16:25:32 |
| e22104_ex5-1.htm | 13760 | 2022-02-25 16:25:32 |
| e22104_ex5-2.htm | 35421 | 2022-02-25 16:25:32 |
| e22104_nsc-8k.htm | 33928 | 2022-02-25 16:25:32 |
| e22104_nsc-8k_htm.xml | 3488 | 2022-02-25 16:25:32 |
| FilingSummary.xml | 1749 | 2022-02-25 16:25:32 |
| Financial_Report.xlsx | 5660 | 2022-02-25 16:25:32 |
| MetaLinks.json | 37429 | 2022-02-25 16:25:32 |
| nsc-20220225.xsd | 3003 | 2022-02-25 16:25:32 |
| nsc-20220225_lab.xml | 34476 | 2022-02-25 16:25:32 |
| nsc-20220225_pre.xml | 22576 | 2022-02-25 16:25:32 |
 nsc_logo.jpg | 7164 | 2022-02-25 16:25:32 |
| R1.htm | 38562 | 2022-02-25 16:25:32 |
| report.css | 2767 | 2022-02-25 16:25:32 |
| Show.js | 1085 | 2022-02-25 16:25:32 |