MICHLER, Nathaniel, soldier, born in Easton, Pennsylvania, 13 September, 1827; died in Saratoga Springs. New York, 17 July, 1881. His great-grandfather, John Wolf-gang, a Moravian minister, came to this country in 1743. Nathaniel, after studying at Lafayette, was graduated at the United States military academy in 1848, assigned to the corps of topographical engineers, and served on the Mexican boundary survey in 1851-'7. He was promoted 1st lieutenant, 19 May, 1856, and in 1857-'60 was chief engineer in charge of surveys of the proposed ship-canal from the Gulf of Darien to the Pacific. After his promotion to captain, 9 September, 1861, he was chief topographical engineer successively of the departments of the Cumberland and the Ohio, and the Armies of the Ohio and the Cumberland. He was transferred to the regular engineer corps on 3 March, 1863, promoted major, 22 April, 1864, and was engaged on the defensive works connected with the Wilderness campaign, the siege of Petersburg, and the subsequent actions of the Army of the Potomac. He received the brevet of lieutenant-colonel, 1 August, 1864, and those of colonel and brigadier-general in the regular army on 2 April, 1865, for services at Petersburg and throughout the war. Afterward he served on various engineering boards, was superintendent of public buildings in the District of Columbia in 1867-'71, and then had charge of river and harbor improvements on the Pacific coast and in the states of New York and New Jersey. At the time of his death he held the rank of lieutenant-colonel, to which he had been promoted on 16 October, 1877.