Printed form used by Captains during the Expedition: "Thomas Jefferson, President of the United States of America. From the powers vested in us and [blank] by the above authority: To all who shall see these presents, Greeting: Know ye, that from the special confience reposed by us in the sincere and unalterable attachment of chief of the [blank] NATION to the UNITED STATES...."Clark, William, 1770-1838circa 1803-1810eng