Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001144204-15-008307
Filing Date
2015-02-12
Accepted
2015-02-12 14:44:52
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G v401309_13g.txt SC 13G 8090
  Complete submission text file 0001144204-15-008307.txt   9606
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 | Act: 34 | File No.: 005-35797 | Film No.: 15605247
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)

Mailing Address 1 MARKET STREET #1600 SAN FRANCISCO CA 94105
Business Address 1 MARKET STREET #1600 SAN FRANCISCO CA 94105 4157780200
PARNASSUS INVESTMENTS /CA (Filed by) CIK: 0000948669 (see all company filings)

EIN.: 000000000
Type: SC 13G