Hallador Energy (HNRG) 10-K/A 2011 FY Annual report (amended)

Exhibit 31.2

CERTIFICATION

I, W. Anderson Bishop, certify that:

1.   I have reviewed this Amendment No. 1 to the Annual report on Form 10-K of Hallador Energy Company; and

2.	Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
March 2, 2012		/s/W. ANDERSON BISHOP      W. Anderson Bishop, CFO