Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000702165-11-000047-index-headers.html | 2011-02-16 20:44:39 | |
| 0000702165-11-000047-index.html | 2011-02-16 20:44:39 | |
| 0000702165-11-000047.txt | 2011-02-16 20:44:39 | |
 0000702165-11-000047-xbrl.zip | 191008 | 2011-02-16 20:44:39 |
| defnref.xml | 128601 | 2011-02-16 20:44:39 |
| FilingSummary.xml | 64782 | 2011-02-16 20:44:39 |
| Financial_Report.xls | 952165 | 2011-02-16 20:44:39 |
 logo_newsmall.jpg | 20517 | 2011-02-16 20:44:39 |
| nsc-20101231.xml | 1155048 | 2011-02-16 20:44:39 |
| nsc-20101231.xsd | 100479 | 2011-02-16 20:44:39 |
| nsc-20101231_cal.xml | 72499 | 2011-02-16 20:44:39 |
| nsc-20101231_def.xml | 185920 | 2011-02-16 20:44:39 |
| nsc-20101231_lab.xml | 665174 | 2011-02-16 20:44:39 |
| nsc-20101231_pre.xml | 424158 | 2011-02-16 20:44:39 |
| 580203 | 2011-02-16 20:44:39 | |
| nsc10s.htm | 688370 | 2011-02-16 20:44:39 |
| nscex10nnnns.htm | 17347 | 2011-02-16 20:44:39 |
| nscex10oooos.htm | 12194 | 2011-02-16 20:44:39 |
| nscex10pppps.htm | 12988 | 2011-02-16 20:44:39 |
| nscex10qqqqs.htm | 12146 | 2011-02-16 20:44:39 |
| nscex10rrrrs.htm | 17347 | 2011-02-16 20:44:39 |
| nscex10sssss.htm | 15628 | 2011-02-16 20:44:39 |
| nscex12s.htm | 63510 | 2011-02-16 20:44:39 |
| nscex21s.htm | 39456 | 2011-02-16 20:44:39 |
| nscex23s.htm | 3704 | 2011-02-16 20:44:39 |
| nscex31s.htm | 24695 | 2011-02-16 20:44:39 |
| nscex32s.htm | 5671 | 2011-02-16 20:44:39 |
| nscex99s.htm | 3902 | 2011-02-16 20:44:39 |
 nsmap10.jpg | 62607 | 2011-02-16 20:44:39 |
| R1.xml | 50066 | 2011-02-16 20:44:39 |
| R10.xml | 47088 | 2011-02-16 20:44:39 |
| R11.xml | 19134 | 2011-02-16 20:44:39 |
| R12.xml | 27042 | 2011-02-16 20:44:39 |
| R13.xml | 37784 | 2011-02-16 20:44:39 |
| R14.xml | 15150 | 2011-02-16 20:44:39 |
| R15.xml | 22902 | 2011-02-16 20:44:39 |
| R16.xml | 17278 | 2011-02-16 20:44:39 |
| R17.xml | 12303 | 2011-02-16 20:44:39 |
| R18.xml | 96589 | 2011-02-16 20:44:39 |
| R19.xml | 54414 | 2011-02-16 20:44:39 |
| R2.xml | 62767 | 2011-02-16 20:44:39 |
| R20.xml | 27017 | 2011-02-16 20:44:39 |
| R21.xml | 9236 | 2011-02-16 20:44:39 |
| R22.xml | 17981 | 2011-02-16 20:44:39 |
| R23.xml | 11003 | 2011-02-16 20:44:39 |
| R24.xml | 26083 | 2011-02-16 20:44:39 |
| R25.xml | 19510 | 2011-02-16 20:44:39 |
| R26.xml | 85882 | 2011-02-16 20:44:39 |
| R27.xml | 52538 | 2011-02-16 20:44:39 |
| R28.xml | 16654 | 2011-02-16 20:44:39 |
| R29.xml | 46377 | 2011-02-16 20:44:39 |
| R3.xml | 88524 | 2011-02-16 20:44:39 |
| R30.xml | 11619 | 2011-02-16 20:44:39 |
| R31.xml | 21993 | 2011-02-16 20:44:39 |
| R32.xml | 35896 | 2011-02-16 20:44:39 |
| R33.xml | 14622 | 2011-02-16 20:44:39 |
| R34.xml | 17638 | 2011-02-16 20:44:39 |
| R35.xml | 17882 | 2011-02-16 20:44:39 |
| R36.xml | 12014 | 2011-02-16 20:44:39 |
| R37.xml | 94921 | 2011-02-16 20:44:39 |
| R38.xml | 50045 | 2011-02-16 20:44:39 |
| R39.xml | 26338 | 2011-02-16 20:44:39 |
| R4.xml | 15701 | 2011-02-16 20:44:39 |
| R40.xml | 18384 | 2011-02-16 20:44:39 |
| R41.xml | 17763 | 2011-02-16 20:44:39 |
| R42.xml | 84481 | 2011-02-16 20:44:39 |
| R43.xml | 79504 | 2011-02-16 20:44:39 |
| R44.xml | 47270 | 2011-02-16 20:44:39 |
| R45.xml | 189864 | 2011-02-16 20:44:39 |
| R46.xml | 28024 | 2011-02-16 20:44:39 |
| R47.xml | 178859 | 2011-02-16 20:44:39 |
| R48.xml | 26884 | 2011-02-16 20:44:39 |
| R49.xml | 283519 | 2011-02-16 20:44:39 |
| R5.xml | 112948 | 2011-02-16 20:44:39 |
| R50.xml | 39291 | 2011-02-16 20:44:39 |
| R51.xml | 89089 | 2011-02-16 20:44:39 |
| R52.xml | 157105 | 2011-02-16 20:44:39 |
| R53.xml | 72917 | 2011-02-16 20:44:39 |
| R54.xml | 28537 | 2011-02-16 20:44:39 |
| R55.xml | 338480 | 2011-02-16 20:44:39 |
| R56.xml | 139352 | 2011-02-16 20:44:39 |
| R57.xml | 65831 | 2011-02-16 20:44:39 |
| R58.xml | 30882 | 2011-02-16 20:44:39 |
| R59.xml | 69592 | 2011-02-16 20:44:39 |
| R6.xml | 130652 | 2011-02-16 20:44:39 |
| R60.xml | 14752 | 2011-02-16 20:44:39 |
| R61.xml | 20528 | 2011-02-16 20:44:39 |
| R62.xml | 62753 | 2011-02-16 20:44:39 |
| R63.xml | 34281 | 2011-02-16 20:44:39 |
| R64.xml | 527878 | 2011-02-16 20:44:39 |
| R65.xml | 152889 | 2011-02-16 20:44:39 |
| R66.xml | 38158 | 2011-02-16 20:44:39 |
| R67.xml | 93404 | 2011-02-16 20:44:39 |
| R68.xml | 24787 | 2011-02-16 20:44:39 |
| R69.xml | 58078 | 2011-02-16 20:44:39 |
| R7.xml | 17109 | 2011-02-16 20:44:39 |
| R70.xml | 64702 | 2011-02-16 20:44:39 |
| R71.xml | 74088 | 2011-02-16 20:44:39 |
| R8.xml | 27580 | 2011-02-16 20:44:39 |
| R9.xml | 17319 | 2011-02-16 20:44:39 |