EXPLORATION PERMIT WITH OPTION TO LEASE AND PURCHASE between AMERICAN SHEFFIELD INC., a Nevada corporation and CALIFORNIA-ENGELS MINING COMPANY, a California corporation April, 2006 TABLE OF CONTENTS Page RECITALS 1 SECTION ONE Exploration Permit 2...Exploration Permit With Option to Lease and Purchase • May 3rd, 2006 • California Engels Mining Co • Forestry • Nevada
