EXHIBIT 23.1 Securities and Exchange Commission Judiciary Plaza 450 Fifth Street, N.W. Washington, D.C. 20549 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated June 30, 2002, appearing in the Annual Report on Form 10-KSB of Vista Exploration Corporation for the period ended March 31, 2002. /s/ Cordovano and Harvey, P.C. - ------------------------------ Cordovano and Harvey, P.C. Denver, Colorado July 2, 2002