President announces ratification of treaty with Potawatomi Indians of Kansas. National Intelligencer, 21 April 1862.

In afternoon, accompanied by Secs. Stanton and Chase, Comdr. Dahlgren, and D. Dudley Field, New York merchant, boards revenue cutter "Miami" at Navy Yard for trip down Potomac to meet Gen. McDowell at Aquia Creek. Reaches destination. McDowell does not arrive. Lincoln spends night on board. Extracts from Dahlgren Diary, John G. Nicolay Papers, Library of Congress, Washington, DC.