Had a singular letter to-day from Chase, requesting that vessels with custom-house clearance might be allowed to pass the blockade. The arrangement is in accordance with an understanding which he has with the Secretary of War. Replied that I was prepared to give no such instructions until the blockade was raised or modified.
SOURCE: Gideon Welles, Diary of Gideon Welles, Secretary of the Navy Under Lincoln and Johnson, Vol. 1: 1861 – March 30, 1864, p. 217-8