BHC 2005 FORM 10-K

Company

BLACK HILLS CORP /SD/

Filed

March 16, 2006

Period of Report

December 31, 2005

Accession Number

0001130464-06-000172

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 →