Rockland
a city and county-seat of Knox co., Me.; on the W. shore of Penobscot Bay, 10 miles from the Atlantic ocean, and on the Maine Central railroad; 40 miles S. E. of Augusta. The harbor here is large and has been greatly improved by the construction of a granite breakwater. There is regular steamboat connection with Boston and other ports.
The city contains a United States government building, public library, street railroad and electric light plants, waterworks on the gravity system. National and State ROCKLAND banks, and several daily and weekly newspapers. The manufacture of lime is the principal industry. Near by are extensive quarries of fine granite of which the post-offices of New York and Cincinnati and the custom-house in St. Louis are built. Besides an immense lime industry Rockland has machine shops, foundries, iron and brass works, etc. Pop. (1910) 8,174; (1920) 8,109.