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Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000897101-11-000394
Filing Date
2011-03-11
Accepted
2011-03-11 07:57:49
Documents
23
Period of Report
2011-04-26
Effectiveness Date
2011-03-11

Document Format Files

Seq Description Document Type Size
1 DEFINITIVE PROXY STATEMENT mdu110469s1_def14a.htm DEF 14A 1677263
3 GRAPHIC a110469001_v1.jpg GRAPHIC 6721
4 GRAPHIC a110469002_v1.jpg GRAPHIC 5098
5 GRAPHIC a110469003_v1.jpg GRAPHIC 4019
6 GRAPHIC a110469004_v1.jpg GRAPHIC 3865
7 GRAPHIC a110469005_v1.jpg GRAPHIC 4241
8 GRAPHIC a110469006_v1.jpg GRAPHIC 4080
9 GRAPHIC a110469007_v1.jpg GRAPHIC 3728
10 GRAPHIC a110469008_v1.jpg GRAPHIC 3483
11 GRAPHIC a110469009_v1.jpg GRAPHIC 3737
12 GRAPHIC a110469010_v1.jpg GRAPHIC 3821
13 GRAPHIC a110469011_v1.jpg GRAPHIC 3620
14 GRAPHIC a110469012_v1.jpg GRAPHIC 3902
15 GRAPHIC a110469013_v1.jpg GRAPHIC 3577
16 GRAPHIC a110469014_v1.jpg GRAPHIC 4507
17 image_014.jpg GRAPHIC 3075
18 image_008.jpg GRAPHIC 3075
19 image_009.jpg GRAPHIC 598
20 image_010.jpg GRAPHIC 630
21 image_011.jpg GRAPHIC 577
22 image_012.jpg GRAPHIC 686
23 image_013.jpg GRAPHIC 686
24 GRAPHIC image_001.gif GRAPHIC 570
  Complete submission text file 0000897101-11-000394.txt   1775600
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 (Filer) CIK: 0000067716 (see all company filings)

IRS No.: 410423660 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-03480 | Film No.: 11680212
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)