Hartley, Sir

CHARLES AUGUST US, civil engineer, was born in England, in 1825; he served on many important public works, and is the author of: The Deltas of the Danube; Public Works of the United States and Canada; and Inland Navigation in Europe. Hartley, in Iowa , a post-village of O'Brien co., 9 mm. E. of Sanborn, on C., M. & St. P. R.R. Pop . (1895) 805. Hartley, in Texas , a N. W. co.; area, 1,480 sq. m. Drained by Mustang creek and other small streams. Cap. Hartley. Pop . (1890) 252. Hart'mann, KARL ROBERT EDUARD, VON, philosopher, born at Berlin, Feb. 23, 1842; educated at the Gymnasium, and entered the artillery service. On account of an injury received, he was obliged to retire from military life (1865) and thereafter devoted himself to philosophy. He has been a prolific writer on political, educational and social questions.