Cabinet meeting at Navy Dept. President and cabinet adjourn to Navy Yard. Lincoln, Secretary of State William H. Seward, and Secretary of the Navy Gideon Welles accompany Commander Dahlgren down Potomac River and board USS Pensacola at Alexandria, Va., to inspect preparations for service. Continue on steamer Mount Vernon to Fort Washington, Md., and return after sunset. National Intelligencer (Washington, DC), 21 October 1861; National Republican (Washington, DC), 21 October 1861, 2:1; New York Herald, 20 October 1861; Extracts from Dahlgren Diary, John G. Nicolay Papers, Library of Congress, Washington, DC.