1 [RYDER SCOTT LETTERHEAD] EXHIBIT 23.4 CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS We hereby consent to the use of our Firm's name in Amendment No. 1 to the Registration Statement on Form S-1/S-1 for the Appalachian Natural Gas Trust and Eastern States Oil & Gas, Inc. to which this consent is an exhibit. We further consent to the reference to our Firm under the heading "Experts" in the Registration Statement. /s/ RYDER SCOTT COMPANY, L.P. Houston, Texas October 13, 1999