0001130464-02-000029 8-K 3 20020812 9 20020813 BLACK HILLS CORP /SD/ 0001130464 4911 460458824 SD 1231 8-K 34 001-31303 02728807 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 fomr8k_sign.txt REGULATION FD DISCLOSURE EX-99 3 ex99_1ceo.txt EXHIBIT99.1CEO EX-99 4 ex99_2cfo.txt EXHIBIT99.2 CFO