LAWRENCE, a city of Massachusetts, U.S.A., on the Mer rimack river, 3om. from its mouth, and 25m. N.N.W. of Boston ; one of the county seats of Essex county; served by the Boston and Maine railroad. The population was 94,270 in 1920 (4I% foreign born white) but fell to 85,068 in 1930 by the Federal census. It is one of the great manufacturing centres of the State and the nation, specializing in worsted cloth. Its aggregate factory output in 1927 was $146,517,370, of which over 6o% represented wors teds and about 5% cotton goods. Most of the mills (representing an investment of $162,000,000) are along the river and the canals which parallel it on either side. Around a 20-acre common are most of the public buildings. The assessed valuation of property in 1927 was $130,734,973. The city operates under a commission form of government. Lawrence has an unusual history. It was planned as an industrial centre by Boston capitalists, including Abbott Lawrence, for whom it was named. The site was chosen at the series of falls which offered water-power. An area of 6.75 sq.m. was taken (1845) from Andover and Methuen, south and north of the river, to form a town (incorporated and straight way a company was organized for the control of the water-power and the construction of a great dam. In 1848 the dam was com
pleted; in 1850 the population was 8,282; and in 1853 the town was incorporated as a city. The population more than doubled in the decade 1850-60, and again in the 20 years 1860-80, and then again in the 3o years 1880-1910. Cotton manufacturing pre dominated in the early days, but since 1865 the production of worsted cloth has become by far the most important industry. LAWRENCEBURG, a city of south-eastern Indiana, U.S.A., on the Ohio river, 22M. W. of Cincinnati; the county seat of Dear born county. It is on Federal highway 5o, and is served by the Baltimore and Ohio and the Big Four railways. The population in 1920 was 3,466, and 4,072 in 1930. Lawrenceburg is one of the oldest towns in the State. It was founded in 1802 and incorporated as a city in 1846. From about 1820 it had a thriving river trade with New Orleans, which increased after the building of the White water canal (begun in 1836).