0001130464-09-000164 S-8 4 20090515 20090515 20090515 BLACK HILLS CORP /SD/ 0001130464 4911 460458824 SD 1231 S-8 33 333-159273 09832630 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 S-8 1 s-8bhuh401kplan5_1409.htm FORM S-8 REGISTRATION STATEMENT - BHUH RETIREMENT SAVINGS PLAN EX-23.1 2 exhibit23-1deloitte_touche.htm DELOITTE CONSENT EX-23.2 3 exhibit23-2cawley_gillespie.htm CAWLEY CONSENT EX-23.3 4 exhibit23-3ralph_davis.htm RALPH DAVIS CONSENT