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file | filename |
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EX-5.2 - EX-5.2 - NORFOLK SOUTHERN CORP | d918391dex52.htm |
EX-5.1 - EX-5.1 - NORFOLK SOUTHERN CORP | d918391dex51.htm |
EX-4.1 - EX-4.1 - NORFOLK SOUTHERN CORP | d918391dex41.htm |
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file | filename |
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EX-5.2 - EX-5.2 - NORFOLK SOUTHERN CORP | d918391dex52.htm |
EX-5.1 - EX-5.1 - NORFOLK SOUTHERN CORP | d918391dex51.htm |
EX-4.1 - EX-4.1 - NORFOLK SOUTHERN CORP | d918391dex41.htm |
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