0001130464-04-000354 10-Q 5 20040930 20041109 20041109 BLACK HILLS CORP /SD/ 0001130464 4911 460458824 SD 1231 10-Q 34 001-31303 041127491 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 10-Q 1 form10-q_3rdqtr.htm 3RD QTR 10-Q EX-31 2 ex31-1_3rdqtr.htm CEO CERTIFICATION EX-31 3 ex31-2_3rdqtr.htm CFO CERTIFICATION EX-32 4 ex32-1_3rdqtr.htm CEO SARBANES CERTIFICATION EX-32 5 ex32-2_3rdqtr.htm CFO SARBANES CERTIFICATION