Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-97-000520
Filing Date
1997-02-14
Accepted
1997-02-14 00:00:00
Documents
1
SROs
NYSE

Document Format Files

Seq Description Document Type Size
1 13G FILING SC 13G/A 7000
  Complete submission text file 0000902219-97-000520.txt   8927
Mailing Address
Business Address 40 E BROADWAY BUTTE MT 59701 4067235421
MONTANA POWER CO /MT/ (Subject) CIK: 0000067727 (see all company filings)

EIN.: 810170530 | State of Incorp.: MT | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-10895 | Film No.: 97531664
SIC: 4931 Electric & Other Services Combined

Mailing Address 75 STATE STREET BOSTON MA 02109
Business Address 75 STATE STREET BOSTON MA 02109 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

EIN.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
SIC: 0000