Statistics for occurrence #1 of “Lieutenant Erwin” in chapter 7.68 of Southern Historical Society Papers, Volume 10.:

...on the steamer Archer. At this time Lieutenants Rowan and Patten, who had accompanied the wagon train overland, had not yet arrived with the horses belonging to the battery, and Captain Latrobe and Lieutenant Erwin were away on leave of absence. The Archer went up the Red river to fort Da Russy, and on the 27th the battery fired fifteen rounds into the De Soto, which had been captured by the enemy but a few...
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