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Document Details

Form
10-Q
Filing Date
Apr 21, 2011
Document Date
Mar 31, 2011
Form Description
Quarterly report which provides a continuing view of a company's financial position
Filing Group
Quarterly Filings
Company
Union Pacific Railroad Company
Issuer
UNION PACIFIC CORP

Filing Formats

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XBRL

XBRL Viewer
EX-101.INS - XBRL INSTANCE DOCUMENT
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
EX-101.CAL - XBRL TAXONOMY EXTENSION CALCULATION LINKBASE
EX-101.DEF - XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
EX-101.LAB - XBRL TAXONOMY EXTENSION LABEL LINKBASE
EX-101.PRE - XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
XML - XBRL INSTANCE DOCUMENT
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