From the Mississippi Department of Archives and History Governor Pettus Collection. Letter from Thomas Weldon to Mississippi Governor John J. Pettus, concerning the use of the steamboats Dixie and Dew Drop in building the obstruction raft on the Yazoo River.

From the Mississippi Department of Archives and History Governor Pettus Collection. Letter from Thomas Weldon in Yazoo City, Mississippi, to Confederate General John C. Pemberton, concerning his work to build a raft to obstruct the Yazoo River.

From the Mississippi Department of Archives and History Governor Pettus Collection. Letter from Mississippi Governor John J. Pettus to Confederate General John C. Pemberton, concerning the use of two steamboats to bring salt from Louisiana.