0001130464-02-000012 DEF 14A 1 20020529 20020415 BLACK HILLS CORP /SD/ 0001130464 4911 460458824 SD 1231 DEF 14A 34 333-52664 02610145 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 DEF 14A 1 proxystmt_02.txt BLACK HILLS CORPORATION PROXY STATEMENT 2002