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LEFT MOUNT OLIVER 334 MOUNT VERNON come, $70,028; number of graduates, 3,870; president, Miss Mary Emma Wool- ley, Litt. D., L. H. D., LL. D. MOUNT OLIVER, a suburb of the city of Pittsburgh in Allegheny co., Pa. Pop. (1910) 4,231; (1920) 5,575. MOUNT PLEASANT, a town of New York in Westchester co., about 25 miles N. of New York City. It is situated on the Hudson river and on the New York Central and Hudson River railroad. The town includes the villages of North Tar- rjrtown, Pleasantville, Sherman Park, and a portion of Briar Cliff Manor. Within its limits are the Westchester County Hospital, St. Joseph's Normal School, and other important educational institutions and hospitals. There are important manufacturing industries, in- cluding automobiles. MOUNT PLEASANT, a borough of Pennsylvania in Westmoreland co., about 70 miles S. W. of Pittsburgh, It is situ- ated on the Baltimore and Ohio and the Pennsylvania railroads. It contains the Western Pennsylvania Classical and Sci- entific Institute and is the center of im- portant coke-making industry. There are also manufactories of flour, iron, foundry products, glass, etc. Pop. (1910) 5,812; (1920) 5,862. MOUNT RUWENZORI, a mountain in central Africa. It is on the boundary between the Belgian Congo and British East Africa. It includes several ridges and peaks. It was discovered in 1888 by Stanley. The Duke of the Abruzzi, in 1906, climbed the two highest peaks, which he called respectively Alexandra and Margherita. The first is 16,750 feet and the second 16,816 feet high. MOUNT UNION COLLEGE, a coedu- cational institution in Alliance, 0.; founded in 1846 under the auspices of the Methodist Episcopal Church; re- ported at the close of 1919. Professors and instructors, 20 ; students, 334 ; presi- dent, W. H. McMaster, D. D., A. M. MOUNT VERNON, a city of Illinois, the county-seat of Jefferson co., about 75 miles E. of St. Louis, Mo. It is situated on the Louisville and Nashville, the Chi- cago and Eastern Illinois, the Southern, and the Wabash, Chester, and Western railroads. The city contains a court house, a library, and a park. Its chief industries are coal mining, agriculture, car and machine-shop products, glass, hosiery, etc. Pop. (1910) 8,007; (1920) 9,815. MOUNT VERNON, a city of Indiana, the county-seat of Posey co., about 20 miles W. of Evansville. It is situated on the Ohio river and on the Louisville and Nashville and the Chicago and Eastern railroads. It has a court house, a library, and manufactories of flour, lumber, en- gines, foundry and machine-shop prod- ucts. It is the center of an important agricultural region. Pop. (1910) 5,563; (1920) 5,284. MOUNT VERNON, a city in West- chester CO., N. Y.; on the Bronx river, and on the New York Central and Hud- son River, the New York, New Haven, and Hartford, and the New York, West- chester and Boston railroads, 13 miles N. of New York. Here are a public li- brary, hospital, gas and electric lights, several National banks, an electric street railroad system, and daily and weekly newspapers. The city includes the sub- urb of Chester Hill, the former village of Mount Vernon, and a part of the town of Eastchester, Most of the city has a high elevation and commands an excel- lent view of Long Island Sound. There are a number of important manufactur- ing industries. It has many beautiful residences. Pop. (1910) 30,919; (1920) 42,726. MOUNT VERNON, a city and county- seat of Knox CO., O., on the Kokosing river, and on the Pennsylvania and the Baltimore and Ohio railroads; 25 miles N. W. of Newark. It is the center of a large agricultural region from which it draws a considerable trade. Here are a court house. National banks, electric lights, an electric street railroad, and several daily newspapers. It has a loco- motive works, furnace foundry, Corliss engine works, woolen, flax, twine, flour and saw mills, and manufactories of leather, linseed oil, furniture, etc. Pop. (1910) 9,087; (1920) 9,237. MOUNT VERNON, the estate of President Washington, in Fairfax co., Va., on the right bank of the Potomac river; 15 miles S. of Washington. The dwelling is a wooden mansion, 96 feet long, erected on a bluff 200 feet above the river, and commanding an excellent view. The estate, originally named Hunting Creek and comprising 800 acres, was inherited by Washington in 1752 from his brother Lawrence, who had changed the name in honor of his for- mer commander, Admiral Vernon of the British navy. The central part of the house was built by Lawrence, and the wings were added by George. The house and 200 acres of land around it were bought by the Mount Vernon Ladies' As- sociation in 1859 for $200,000, raised in great part through the exertions of Ed- ward Everett, and have been restored as