MDU RESOURCES GROUP INC

SCHUCHART BUILDING, 918 EAST DIVIDE AVENUE, BISMARCK ND 58501, 7012227900
GAS & OTHER SERVICES COMBINED

1999 SEC Filings

MDU RESOURCES GROUP INC, 10-Q, 1999-11-12
MDU RESOURCES GROUP INC, 10-Q, 1999-08-09
MDU RESOURCES GROUP INC, 10-Q, 1999-05-13
MDU RESOURCES GROUP INC, 11-K, 1999-03-30
MDU RESOURCES GROUP INC, DEF 14A, 1999-03-09
MDU RESOURCES GROUP INC, 10-K, 1999-03-04
MDU RESOURCES GROUP INC, S-8 POS, 1999-02-18
MDU RESOURCES GROUP INC, S-8, 1999-02-18
MDU RESOURCES GROUP INC, SC 13G, 1999-02-16
MDU RESOURCES GROUP INC, PRE 14A, 1999-02-04
MDU RESOURCES GROUP INC, 8-K, 1999-01-13


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