0001130464-09-000277 8-K 2 20091029 2.02 9.01 20091030 20091029 BLACK HILLS CORP /SD/ 0001130464 4911 460458824 SD 1231 8-K 34 001-31303 091145814 625 9TH STREET PO BOX 1400 RAPID CITY SD 57709 6057212343 625 9TH STREET PO BOX 1400 RAPID SD 57709 BLACK HILLS HOLDING CORP 20001222 8-K 1 form8k-3rdqtr_2009.htm BHC FORM 8K 3RD QTR EARNINGS EX-99 2 ex99.htm EARNINGS RELEASE