1 EXHIBIT 23.3 [FORREST A. GARB & ASSOCIATES, INC. LETTERHEAD] CONSENT OF INDEPENDENT ENGINEERS We consent to the inclusion in this Second Amendment to the Registration Statement on Form S-1 (File No. 333-22829) of the summary of the Reserve report as of December 31, 1996, for Mewbourne Energy Partners 97-A, L.P. as audited by us. We also consent to the reference therein to our firm as an "Independent Expert." /s/ Forrest A. Garb & Associates, Inc. FORREST A. GARB & ASSOCIATES, INC. Dallas, Texas June 11, 1997