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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001209191-09-045805
Filing Date
2009-09-25
Accepted
2009-09-25 16:41:21
Documents
2
Period of Report
2009-09-15

Document Format Files

Seq Description Document Type Size
1 MAIN DOCUMENT DESCRIPTION c90547_3x1.html 3  
1 MAIN DOCUMENT DESCRIPTION c90547_3x1.xml 3 4831
2 ADDITIONAL EXHIBITS c90547_99.htm EX-99 9986
  Complete submission text file 0001209191-09-045805.txt   18131
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) 515-2100
Yorktown Energy Partners VIII, L.P. (Reporting) CIK: 0001473116 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-14731 | Film No.: 091087959

Mailing Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022
Business Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022 (212) 515-2100
Yorktown VIII Associates LLC (Reporting) CIK: 0001473117 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-14731 | Film No.: 091087958

Mailing Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022
Business Address 410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022 (212) 515-2100
Yorktown VIII Co LP (Reporting) CIK: 0001473118 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-14731 | Film No.: 091087957