Yes, sir, the date is correct. The date of the military convention between Kirby and Canby for the surrender of the troops and public property in the Trans-Mississippi Department was May 26, 1865. However, it took awhile for parole commissioners to be appointed and for public property to be accounted for. The June 1, 1865, report of field artillery was part of the accounting process. There was also a June 1, 1865, report of siege and sea-coast guns, which gave numbers and location, but did not identify the units or battery commanders.