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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001209191-08-002835
Filing Date
2008-01-09
Accepted
2008-01-09 16:53:02
Documents
1
Period of Report
2007-10-05

Document Format Files

Seq Description Document Type Size
1 MAIN DOCUMENT DESCRIPTION bod52783_bod1yep.html 3  
1 MAIN DOCUMENT DESCRIPTION bod52783_bod1yep.xml 3 5276
  Complete submission text file 0001209191-08-002835.txt   8584
Mailing Address 1660 LINCOLN STREET SUITE 2700 DENVER CO 80264
Business Address 1660 LINCOLN ST STE 2700 DENVER CO 80264 3038395505
HALLADOR PETROLEUM CO (Issuer) CIK: 0000788965 (see all company filings)

IRS No.: 841014610 | State of Incorp.: CO | Fiscal Year End: 1231
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022
Business Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022 212-515-2112
Yorktown Energy Partners VII, L.P. (Reporting) CIK: 0001423080 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-14731 | Film No.: 08521003

Mailing Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022
Business Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022 212-515-2112
Yorktown VII CO LP (Reporting) CIK: 0001423200 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-14731 | Film No.: 08521001

Mailing Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022
Business Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022 212-515-2112
Yorktown VII Associates LLC (Reporting) CIK: 0001423201 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-14731 | Film No.: 08521002