EXHIBIT
23.1
CONSENT
OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We
have
issued our reports dated February 27, 2008, accompanying the consolidated
financial statements and management’s assessment of the effectiveness of
internal control over financial reporting included in the Annual Report of
Atlas
America, Inc. on Form 10-K for the year ended December 31, 2007. We hereby
consent to the incorporation by reference of said reports in the Registration
Statements of Atlas America, Inc. on Form S-8, effective July 1,
2005.
/s/
GRANT
THORNTON LLP
Cleveland,
Ohio
February
27, 2008