Elkridge is an unincorporated community and census-designated place (CDP) in Howard County, Maryland, United States. The population was 15,593 at the 2010 census. Founded early in the 18th century, Elkridge is adjacent to two other counties, Anne Arundel and Baltimore.
Ellicott City is an unincorporated community and census-designated place in, and the county seat of, Howard County, Maryland, United States. Part of the Baltimore metropolitan area, its population was 65,834 at the 2010 census, making it the most populous unincorporated county seat in the country.
Guilford is an unincorporated community located in Howard County in the state of Maryland. The location is named after the Guilford Mill. Guilford is near Kings Contrivance, one of the nine "villages" of Columbia.
The Patapsco River mainstem is a 39-mile (63 km) river in central Maryland that flows into the Chesapeake Bay. The river's tidal portion forms the harbor for the city of Baltimore. With its South Branch, the Patapsco forms the northern border of Howard County, Maryland. The name "Patapsco" is derived from the Algonquian pota-psk-ut, which translates to "backwater" or "tide covered with froth."
Old Saint Paul's Cemetery is a cemetery located in downtown Baltimore, Maryland, United States. It is noted for the several important historical figures that are interred in its grounds.
Oella is a mill town on the Patapsco River in western Baltimore County, Maryland, United States, located between Catonsville and Ellicott City. It is a 19th-century village of millworkers' homes.
James N. Robey Jr., an American Democratic politician, was a Maryland State Senator from January 10, 2007, to January 14, 2015. He was the Senate Majority Leader from 2013 until he retired in January 2015.
Patapsco Female Institute (PFI) is a former girls' boarding school, now a partially rebuilt historical site, located on Church Road in Ellicott City, Maryland, United States. The grounds are home to popular outdoor theatrical performances by The Chesapeake Shakespeare Company. In the 1930s the Institute was also known as "Warwick".
Ilchester is an unincorporated community and census-designated place in Howard County, Maryland, United States. The population was 23,476 at the 2010 census. It was named after the village of Ilchester in the English county of Somerset.
St. Stanislaus Kostka Church in Pittsburgh, Pennsylvania, referred to in Polish as Kościół Świętego Stanisława Kostki, is a historic church of the Roman Catholic Diocese of Pittsburgh. Located in the Strip District in Pittsburgh, Pennsylvania, United States, it is a prime example of the so-called 'Polish Cathedral' style of churches. It is known also as 21st and Smallman Street Church. It is listed on the U.S. National Register of Historic Places.
Patapsco Valley State Park is a Maryland state park extending along 32 miles (51 km) of the Patapsco River south and west of the city of Baltimore, Maryland. The park encompasses multiple developed areas on over 14,000 acres (5,700 ha) acres of land, making it Maryland's largest state park. In 2006, it was officially celebrated as Maryland's first state park, its first formation being in 1906. Patapsco Valley State Park is managed by the Maryland Department of Natural Resources.
Ellicott City Historic District is a national historic district in Ellicott City, Howard County, Maryland. The Ellicott City Station is a National Historic Landmark located within the district. The district encompasses a predominantly 19th century mill town whose origins date to 1772, including more than 200 18th- and 19th-century buildings. It was listed on the National Register of Historic Places in 1978. The 2016 Maryland flood severely impacted the historic district on July 30, 2016, as did another flood on May 27, 2018.
Daniels Mill is a historic mill complex located at Daniels, Howard County, Maryland, in a sheltered, wooded valley of the upper Patapsco River. The complex consists of seven early industrial structures, several concrete block and brick structures of 20th century date, and Gary Memorial United Methodist Church, a granite church built in the High Victorian Gothic style with an off-center tower entrance on the west gable. South of the church is a small cemetery.
The Elkridge Furnace Complex is a historic iron works located on approximately 16 acres (6.5 ha) at Elkridge, Howard County, Maryland.
St. Casimir Church is a parish church of the Roman Catholic Archdiocese of Baltimore located in the Canton neighborhood of Baltimore, Maryland.
Daisy is an unincorporated community located at the northwest tip of Howard County, Maryland, United States.
Elkridge Landing was a Patapsco River seaport in Maryland, and is now part of Elkridge, Maryland. The historic Elkridge Furnace Inn site resides within the Patapsco Valley State Park.
Alberton is an unincorporated community in Howard County, Maryland, United States. A postal office operated in the community from 3 February 1854 to 1 March 1943.
Elysville is an unincorporated community in Howard County, Maryland, United States. A postal stop operated between February 22, 1834, and February 3, 1854.
The Patapsco Valley is a small valley surrounding the Patapsco River in central Maryland. The region is known for its historical significance as a major economic and industrial center in the eighteenth and nineteenth centuries.
United States
Maryland 
