Executive Document, No. 1, United States Senate, December 7, 1847, contains a Communication from the Secretary of War, transmitting to Congress the official reports of commanding generals and their subordinates in the Mexican War. The Secretary says: "The company of engineer soldiers, authorized by the act of May 15, 1846, has been more than a year on active duty in Mexico, and has rendered efficient service. I again submit, with approval, the proposition of the Chief Engineer for an increase of

On the 7th of August, 1847, the advance of General Scott's army, Twiggs' division, the engineer company leading, left Puebla and commenced the forward movement into the valley of Mexico. The company served with that division, until Worth's division was placed in the lead during the turning movement made by the army around Lake Chalco. In that movement the engineer company was at the head of Worth's division. The road ran between the western border of the lake and a high range of hills which, in

During the armistice, which was entered into just after the battle of Churubusco, and terminated on the 6th of September, the engineer company was quartered in the village of San Angel. On the 7th of September I received orders to move the company, its train, and the general engineer train of the army to Tacubaya. Molino Del Rey. That night I was ordered to detail an officer and ten men of the engineer company to report to General Worth. Lieutenant Foster was placed in charge of this detail. He

"General Patterson was ordered to march [December, 1846,] from Matamoros to Victoria with three regiments of volunteers, two pieces of artillery, and the engineer company under Lieut. G. W. Smith". (p. 187.) Vera Cruz. "This line of investment, through the chaparral and over the sand hills, was located by Lieut. G. W. Smith, of the engineers, assisted by Lieut. G. B. McClellan, and a roadway along the line was made under the supervision of these two lieutenants with the engineer company and a pa