Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000932471-11-001451
Filing Date
2011-02-10
Accepted
2011-02-10 11:25:53
Documents
1

Document Format Files

Seq Description Document Type Size
1 northwesterncorp.htm SC 13G 38112
  Complete submission text file 0000932471-11-001451.txt   40083
Mailing Address 3010 W 69TH STREET SIOUX FALLS SD 57108
Business Address 3010 W 69TH STREET SIOUX FALLS SD 57108 6059782908
NORTHWESTERN CORP (Subject) CIK: 0000073088 (see all company filings)

EIN.: 460172280 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-36015 | Film No.: 11590359
SIC: 4931 Electric & Other Services Combined

Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106696295
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

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