1ST QUARTER EARNINGS BHC

Company

BLACK HILLS CORP /SD/

Filed

May 7, 2010

Period of Report

March 31, 2010

Accession Number

0001130464-10-000048

A 10-Q is a quarterly financial report filed after each of the first three quarters of a fiscal year. It includes unaudited financial statements and management commentary. Learn more about 10-Q filings →