0000950120-97-000150 S-8 4 19970528 19970528 NYSE PSE MDU RESOURCES GROUP INC 0000067716 4932 410423660 DE 1231 S-8 33 333-27877 97614802 400 N FOURTH ST BISMARCK ND 58501 7012227900 400 NORTH FOURTH ST BISMARCK ND 58501 MONTANA DAKOTA UTILITIES CO 19850429 S-8 1 000095012097000150-001-seq1-s-8.txt FORM S-8 OF MDU RESOURCES GROUP, INC. EX-23 2 000095012097000150-002-seq2-ex-23.txt EXHIBIT 23(A) EX-23 3 000095012097000150-003-seq3-ex-23.txt EXHIBIT 23(B) EX-23 4 000095012097000150-004-seq4-ex-23.txt EXHIBIT 23(C)