Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001086364-14-001213
Filing Date
2014-01-30
Accepted
2014-01-29 21:44:33
Documents
1

Document Format Files

Seq Description Document Type Size
1 mdu.resources.group.inc..txt SC 13G/A 11683
  Complete submission text file 0001086364-14-001213.txt   13520
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1059
MDU RESOURCES GROUP INC (Subject) CIK: 0000067716 (see all company filings)

EIN.: 410423660 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-35797 | Film No.: 14558574
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)

Mailing Address 40 EAST 52ND STREET NEW YORK NY 10022
Business Address 40 EAST 52ND STREET NEW YORK NY 10022 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

EIN.: 320174431 | State of Incorp.: DE | Fiscal Year End: 0226
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies