Originally part of Penobscot and Washington Counties. Named for Indian word meaning "beautiful river." Incorporated March 16, 1839. Enlarged March 21, 1843, by additions from Penobscot and March 12, 1844, by additions from Piscataquis and Somerset Counties. Contains two cities, 54 towns and 11 plantations. Area, 6,453 square miles. Houlton, county seat. -Maine Register-