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 eightieth-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.
Hampshire County is a historical and judicial county located in the U.S. state of Massachusetts. Following the dissolution of the county government in 1999, county affairs were managed by the Hampshire Council of Governments, which itself ceased operations in 2019, due to a "fundamentally flawed, unsustainable operational model". As of the 2020 census, the population was 162,308. Its most populous municipality is Amherst, its largest town in terms of landmass is Belchertown, and its traditional county seat is Northampton. The county is named after the county Hampshire, in England.
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 Pioneer Valley is the colloquial and promotional name for the portion of the Connecticut River Valley that is in Massachusetts in the United States. It is generally taken to comprise the three counties of Hampden, Hampshire, and Franklin. The lower Pioneer Valley corresponds to the Springfield, Massachusetts metropolitan area, the region's urban center, and the seat of Hampden County. The upper Pioneer Valley region includes the smaller cities of Northampton and Greenfield, the county seats of Hampshire and Franklin counties, respectively.
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 at 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 and its surrounding areas. The region forms the northern arc of the Northeast megalopolis, so Greater Boston means both a metropolitan statistical area (MSA) and a combined statistical area (CSA), which is broader. The MSA consists of most of the eastern third of Massachusetts, excluding the South Coast and Cape Cod; the CSA additionally includes the municipalities of Providence, Manchester, Worcester, the South Coast region, and Cape Cod. While the city of Boston covers 48.4 square miles (125 km2) and has 675,647 residents as of the 2020 census, the urbanization has extended well into surrounding areas and the CSA has a more than 8.4 million people, making it one of the most populous such regions in the U.S. The CSA is one of two in Massachusetts, the other being Greater Springfield. Greater Boston is the only CSA in New England that lies in three states.
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.
Massachusetts's 2nd congressional district is located in central Massachusetts. It contains the cities of Worcester, which is the second-largest city in New England after Boston, and Northampton in the Pioneer Valley. It is represented by Democrat Jim McGovern.
This is a list of properties and districts in Massachusetts listed on the National Register of Historic Places. There are over 4,300 listings in the state, 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.
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 Holyoke Canal System is a system of power canals in Holyoke, Massachusetts. It is split into three canals based on elevation and distance from the inlet at the Holyoke Dam- the First Level Canal, Second Level Canal, and Third Level Canal. Constructed over a period between 1847 and 1892, the Canal System, along with the Dam, is recognized as a Historic Mechanical Engineering Landmark by the American Society of Mechanical Engineers for its use in the development of the Venturi meter by Clemens Herschel, the first means of measuring large-scale flows, and the McCormick-Holyoke Turbine by John B. McCormick, which doubled the efficiency of turbines to more than 80% in its time.
The Vietnam Memorial Bridge is a girder bridge that spans the Connecticut River between South Hadley and Holyoke, Massachusetts. It was built in 1990 to replace the original Holyoke-South Hadley bridge that was built in 1889 by New Jersey Steel and Iron Company and was designed by Edward S. Shaw.
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 Hadley Falls Company Housing District is a residential historic district encompassing a compact tract of factory worker housing in Holyoke, Massachusetts. Built in 1847-48, it is one of the earliest and largest surviving examples of company-built worker housing in the state. It includes five rowhouses facing Center, Lyman, Grover, and Canal Streets. The district was listed on the National Register of Historic Places in 1972.
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.
George Clinton Ewing was a salesman, wainwright, land agent, superintendent, assessor, selectman, state representative, and most notably one of the chief founders of Holyoke, Massachusetts; he is credited as having first brought the idea of building a dam and industrial city at Hadley Falls to investors in Boston, New York, Hartford, and St. Johnsbury, Vermont in 1846.
Holyoke Medical Center, formerly known as Holyoke City Hospital, is a full-service, community and regional non-profit medical center located in Holyoke, Massachusetts. Holyoke Medical has 198 beds in the main hospital and runs a comprehensive healthcare system that includes the VNA, River Valley Counseling Center and Western Mass Physician Associates, a physician practice group. The service area for hospital covers Greater Holyoke area, with towns in both Hampshire and Hampden County including Holyoke, Chicopee, South Hadley, Granby, Easthampton, Southampton, West Springfield, and Belchertown.
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.
