...a, Mo., Aug. 20, 1861. sir: I have the honor to submit the following report of the battle of Springfield, fought on the 10th inst. on Wilson's Creek, some ten miles south of the city, between the United States troops under Gen. Lyon, and the rebel forces under McCulloch. On the 9th inst., Gen. Lyon came to the determination of attacking the enemy's camp, and accordingly dispositions were made on the afte...