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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000908733-06-000047
Filing Date
2006-09-12
Accepted
2006-09-12 09:37:47
Documents
1

Document Format Files

Seq Description Document Type Size
1 WESTERN GAS RESOURCES INC 13GA3 westerngasresources.htm SC 13G/A 9579
  Complete submission text file 0000908733-06-000047.txt   11821
Mailing Address 1099 18TH STREET, SUITE 1200 DENVER CO 80202-1955
Business Address 1099 18TH STREET, SUITE 1200 DENVER CO 80202-1955 303 452 5603
WESTERN GAS RESOURCES INC (Subject) CIK: 0000856716 (see all company filings)

IRS No.: 841127613 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-40571 | Film No.: 061085495
SIC: 4924 Natural Gas Distribution

Mailing Address 227 W MONROE ST STE 3000 CHICAGO IL 60606
Business Address 227 W MONROE STREET SUITE 3000 CHICAGO IL 60606 3126349231
COLUMBIA WANGER ASSET MANAGEMENT LP (Filed by) CIK: 0000908733 (see all company filings)

IRS No.: 363820584 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000