...tion was sent up the Yazoo another was dispatched up the Red River, ascending the Black and Tensas Rivers. Lieutenant-Commander Selfridge penetrated to the head of navigation on the latter stream, at Tensas Lake and Bayou Macon, thirty miles above Vicksburg, and within five or six miles of the Mississippi River. Parties of the enemy's riflemen were in the habit of crossing this narrow strip of land and f...