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Filing metadata

Accession number: 0001140361-12-024716
Form type: Form 4
Filer: BLACK HILLS CORP /SD/
CIK: CIK 1130464
Filed: May 11, 2012
Reporting period: May 09, 2012
Description: Insider transaction

Documents

0001140361-12-024716-index.htm

Complete submission

0001140361-12-024716.txt

directory listing

Filed by

BLACK HILLS CORP /SD/