CONSENT OF GRANT THORNTON LLP We have issued our reports dated as noted accompanying the financial statements listed below contained in the Registration Statement and Prospectus. Report Date Description of Financial Statements - ----------- ----------------------------------- November 17, 1999 Balance Sheet of Atlas Pipeline Partners, L.P. as of September 30,1999 November 18, 1999 Balance Sheet of Atlas Pipeline Partners GP, Inc. as of (except for Note 2 September 30, 1999 as to which the date is December 2, 1999) July 14, 1999 Combined balance sheets of Resource America, Inc. (except for the Gathering Operations as of December 31, 1998 and 1997, fifth paragraph and the related combined statements of operations and of Note 1 cash flows for each of the three years in the period as to which the ended December 31, 1998 date is August 31, 1999) July 14, 1999 Combined balance sheets of The Atlas Group, Inc.'s Gathering Operations as of September 29, 1998 and December 31, 1997, and the related combined statements of operations and cash flows for the nine-month period ended September 28, 1998 and the years ended December 31, 1997 and 1996 November 17, 1999 Consolidated balance sheets of Atlas America, Inc. and Subsidiaries as of September 30, 1999 and 1998, and the related consolidated statements of operations, changes in stockholder's equity and cash flows for the year ended September 30, 1999 November 17, 1999 Consolidated balance sheets of Resource Energy, Inc. and Subsidiaries as of September 30, 1999 and 1998, and the related consolidated statements of operations, changes in stockholder's equity and cash flows for each of the three years in the period ended September 30, 1999 We consent to the use of the aforementioned reports in the Registration Statement and Prospectus, and to the use of our name as it apppears under the caption "Experts". /s/ GRANT THORNTON LLP Cleveland, Ohio January 28, 2000