0001130464-08-000220 8-K 4 20080710 1.01 2.03 9.01 20080714 20080714 BLACK HILLS CORP /SD/ 0001130464 4911 460458824 SD 1231 8-K 34 001-31303 08951139 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_creditamend-july08.htm CREDIT FACILITY AMENDMENTS GRAPHIC 2 ballot.jpg GRAPHIC EX-10.1 3 ex_10-1.htm 3RD AMEND TO 2005 CREDIT AGREEMENT EX-10.2 4 ex_10-2.htm 1ST AMEND TO 2007 CREDIT AGREEMENT