Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001552781-22-000458-index-headers.html | 2022-06-15 17:02:38 | |
| 0001552781-22-000458-index.html | 2022-06-15 17:02:38 | |
| 0001552781-22-000458.txt | 2022-06-15 17:02:38 | |
 0001552781-22-000458-xbrl.zip | 45240 | 2022-06-15 17:02:38 |
| e22351_ex4-1.htm | 117941 | 2022-06-15 17:02:38 |
| e22351_ex5-1.htm | 12915 | 2022-06-15 17:02:38 |
| e22351_ex5-2.htm | 40022 | 2022-06-15 17:02:38 |
| e22351_nsc-8k.htm | 32085 | 2022-06-15 17:02:38 |
| e22351_nsc-8k_htm.xml | 3486 | 2022-06-15 17:02:38 |
| FilingSummary.xml | 1744 | 2022-06-15 17:02:38 |
| Financial_Report.xlsx | 5663 | 2022-06-15 17:02:38 |
| MetaLinks.json | 37268 | 2022-06-15 17:02:38 |
| nsc-20220613.xsd | 2929 | 2022-06-15 17:02:38 |
| nsc-20220613_lab.xml | 34240 | 2022-06-15 17:02:38 |
| nsc-20220613_pre.xml | 22340 | 2022-06-15 17:02:38 |
 nsc_logo.jpg | 7164 | 2022-06-15 17:02:38 |
| R1.htm | 38692 | 2022-06-15 17:02:38 |
| report.css | 2767 | 2022-06-15 17:02:38 |
| Show.js | 1085 | 2022-06-15 17:02:38 |