Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000932471-16-011579
Filing Date
2016-02-10
Accepted
2016-02-10 14:33:58
Documents
1

Document Format Files

Seq Description Document Type Size
1 mduresourcesgroupinc.htm SC 13G/A 38246
  Complete submission text file 0000932471-16-011579.txt   39841
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.: 161405011
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)

Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

EIN.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A