FORM 10-K FOR YEAR ENDED DECEMBER 31, 1997

Company

UNION PACIFIC CORP

Filed

March 18, 1998

Period of Report

December 31, 1997

Accession Number

0000950134-98-002114

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →