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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-06-000898
Filing Date
2006-02-14
Accepted
2006-02-14 11:04:35
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G/A 17762
  Complete submission text file 0000902219-06-000898.txt   20030
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)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address SUITE 1500 885 WEST GEORGIA STREET VANCOUVER A1 V6C 3E8
Business Address SUITE 1500 885 WEST GEORGIA STREET VANCOUVER A1 V6C 3E8 604.693.0177
HEARTLAND OIL & GAS CORP (Subject) CIK: 0001075636 (see all company filings)

IRS No.: 911918326 | State of Incorp.: NV | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-79184 | Film No.: 06608583
SIC: 1221 Bituminous Coal & Lignite Surface Mining