Essex County is a county in the northeastern part of the U.S. state of Massachusetts. At the 2020 census, the total population was 809,829, making it the third-most populous county in the state, and the seventy-eighth-most populous in the country. It is part of the Greater Boston area. The largest city in Essex County is Lynn. The county was named after the English county of Essex. It has two traditional county seats: Salem and Lawrence. Prior to the dissolution of the county government in 1999, Salem had jurisdiction over the Southern Essex District, and Lawrence had jurisdiction over the Northern Essex District, but currently these cities do not function as seats of government. However, the county and the districts remain as administrative regions recognized by various governmental agencies, which gathered vital statistics or disposed of judicial case loads under these geographic subdivisions, and are required to keep the records based on them. The county has been designated the Essex National Heritage Area by the National Park Service.
The Merrimack River is a 117-mile-long (188 km) river in the northeastern United States. It rises at the confluence of the Pemigewasset and Winnipesaukee rivers in Franklin, New Hampshire, flows southward into Massachusetts, and then flows northeast until it empties into the Gulf of Maine at Newburyport. From Pawtucket Falls in Lowell, Massachusetts, onward, the Massachusetts–New Hampshire border is roughly calculated as the line three miles north of the river.
The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for 406 miles (653 km) through four states. It rises 300 yards south of the U.S. border with Quebec, Canada, and discharges at Long Island Sound. Its watershed encompasses 11,260 square miles (29,200 km2), covering parts of five U.S. states and one Canadian province, via 148 tributaries, 38 of which are major rivers. It produces 70% of Long Island Sound's fresh water, discharging at 18,400 cubic feet (520 m3) per second.
Greater Boston is the metropolitan region of New England encompassing the municipality of Boston, the capital of the U.S. state of Massachusetts and the most populous city in New England, and its surrounding areas. The most stringent definition of the region consists of most of the eastern third of mainland Massachusetts, excluding the Merrimack Valley and most of Southeastern Massachusetts, though most definitions include much of these areas and portions of southern New Hampshire.
The Middlesex Canal was a 27-mile (44-kilometer) barge canal connecting the Merrimack River with the port of Boston. When operational it was 30 feet wide, and 3 feet deep, with 20 locks, each 80 feet long and between 10 and 11 feet wide. It also had eight aqueducts.
Completed in 1796, the Pawtucket Canal was originally built as a transportation canal to circumvent the Pawtucket Falls of the Merrimack River in East Chelmsford, Massachusetts. In the early 1820s it became a major component of the Lowell power canal system. with the founding of the textile industry at what became Lowell.
Massachusetts's 2nd congressional district is located in central Massachusetts, encompassing much of Franklin, Hampshire, and Worcester counties, as well as small portions of Middlesex and Norfolk Counties. The largest municipalities in the district include Worcester, Leominster, Amherst, Shrewsbury, and Northampton.
The National Register of Historic Places is a United States federal official list of places and sites considered worthy of preservation. In the state of Massachusetts, there are over 4,300 listings, representing about 5% of all NRHP listings nationwide and the second-most of any U.S. state, behind only New York. Listings appear in all 14 Massachusetts counties.
Massachusetts's 6th congressional district is located in northeastern Massachusetts. It contains most of Essex County, including the North Shore and Cape Ann, as well as part of Middlesex County. It is represented by Seth Moulton, who has represented the district since January 2015. The shape of the district went through minor changes effective from the elections of 2012 after Massachusetts congressional redistricting to reflect the 2010 census. The towns of Tewksbury and Billerica were added, along with a small portion of the town of Andover.
Ipswich River is a small river in northeastern Massachusetts, United States. It held significant importance in early colonial migrations inland from the ocean port of Ipswich. The river provided safe harborage at offshore Plum Island Sound to early Massachusetts subsistence farmers, who were also fishermen. A part of the river forms town boundaries and divides Essex County, Massachusetts on the coast from the more inland Middlesex County. It is 35 miles (56 km) long, and its watershed is approximately 155 square miles (401 km2), with an estimated population in the area of 160,000 people.
The South Hadley Canal was a canal along the Connecticut River in South Hadley, Massachusetts. It was the earliest navigable canal in the United States, with operation commencing in 1795. It has been listed on the National Register of Historic Places as the South Hadley Canal Historic District.
The Proprietors of Locks and Canals on Merrimack River is a limited liability corporation founded on June 27, 1792, making it one of the oldest corporations in the United States. Its named incorporators were Dudley Atkins Tyng, William Coombs, Joseph Tyler, Nicholas Johnson, and Joshua Carter.
The history of turnpikes and canals in the United States began with work attempted and accomplished in the original thirteen colonies, predicated on European technology. After gaining independence, the United States grew westward, crossing the Appalachian Mountains with the admission of new states and then doubling in size with the Louisiana Purchase in 1803. The only means of transportation at the time between the coastal states and interior lands remained on water, by canoe, boat and ship, or over land on foot and by pack animal. Recognizing the success of Roman roads in unifying that empire, political and business leaders in the United States began to construct roads and canals to connect the disparate parts of the nation.
The Lowell Power Canal System is the largest power canal system in the United States, at 5.6 miles in length. It is operating through six major canals on two levels, controlled by numerous gates. The system was begun in the 1790s, beginning its life as a transportation canal called the Pawtucket Canal, which was constructed to get logs from New Hampshire down the Merrimack River to shipbuilding centers at Newburyport, Massachusetts, bypassing the 30-plus-foot drop of the Pawtucket Falls.
The North Canal Historic District of Lawrence, Massachusetts, encompasses the historic industrial heart of the city. It is centered on the North Canal and the Great Stone Dam, which provided the waterpower for its many mill complexes. The canal was listed on the National Register of Historic Places in 1975, while the district was first listed in 1984, and then expanded slightly in 2009.
The following outline is provided as an overview of and topical guide to the U.S. Commonwealth of Massachusetts:
The Merrimack Valley is a bi-state region along the Merrimack River in the U.S. states of New Hampshire and Massachusetts. The Merrimack is one of the larger waterways in New England and has helped to define the livelihood and culture of those living along it for millennia.
The 155th Massachusetts General Court, consisting of the Massachusetts Senate and the Massachusetts House of Representatives, met from January 1, 1947, to June 18, 1948, during the governorship of Robert F. Bradford, in Boston.
