Bartonsville, Maryland

The Linganore Farm is a historic home and farm complex located at Frederick, Frederick County, Maryland, United States. The main house is a large two-story brick dwelling dating from the 1850s-60s and showing influence of the Greek Revival and Italianate styles. The property includes the ruins of a brick smokehouse, a stone root cellar and a two-story brick secondary house dating from the early 19th century. Across from the house is the site of the Linganore Mill, which was located on the east bank of the Monocacy River. In front of the house is a terraced lawn defined with large boxwoods. In 1891, the farm was converted to a resort known as the Linganore Hills Inn.The Linganore Farm was listed on the National Register of Historic Places in 2000.

Spring Ridge is census-designated place (CDP) and suburban housing community in Frederick County, in the U.S. state of Maryland, just outside the city of Frederick. As of the 2020 census it had a population of 6,005. Before 2010, it was part of the Linganore-Bartonsville, Maryland census-designated place, which was split into three for the 2010 census.

Linganore-Bartonsville was a census-designated place (CDP) in Frederick County, Maryland, United States, for the 2000 census, at which time its population was 12,529. For the 2010 census the area was split into three CDPs: Linganore, Bartonsville, and Spring Ridge.

Monocacy () is a passenger rail station on the MARC Brunswick Line between Washington, D.C. and Frederick, Maryland. This station is one of two stations on the Frederick extension. It is also the only station on the Brunswick Line other than Union Station to have a high-level platform. There is also a low level platform at the north end of the station.Monocacy station is located at 7800 Genstar Drive, a cul-de-sac with a large parking lot off the east side of Maryland Route 355 in Frederick. It was built on the old Frederick Branch of the Baltimore and Ohio Railroad. The architects of Cochran, Stephenson & Donkervoet, Inc. designed the small station to resemble B&O stations from the past.

Gambrill House, also known as Boscobel House and Edgewood, is a house near Frederick, Maryland in the Monocacy National Battlefield. It was listed on the National Register of Historic Places in 1985.The house is associated with James Gambrill, owner of nearby Araby Mill and the Frederick City Mill. Gambrill's house boasted advanced features such as hot and cold running water, imported Italian marble fireplaces, gas lamps and a coal furnace. Gambrill was forced by financial circumstances to give up the house and mills in 1893. The house was acquired by the National Park Service in 1983 and serves as the home of the NPS Historic Preservation Training Center.

The Battle of Monocacy (also known as Monocacy Junction) was fought on July 9, 1864, about 6 miles (9.7 km) from Frederick, Maryland, as part of the Valley Campaigns of 1864 during the American Civil War. Confederate forces under Lt. Gen. Jubal A. Early defeated Union forces under Maj. Gen. Lew Wallace. The battle was part of Early's raid through the Shenandoah Valley and into Maryland in an attempt to divert Union forces from their siege of Gen. Robert E. Lee's army at Petersburg, Virginia.The battle was the northernmost Confederate victory of the war. Afterward, the Union troops retreated to Baltimore, Maryland, and the Confederates continued toward Washington, D.C. But because the battle had delayed Early's march for a day, Union reinforcements had time to get to the Union capital before the Confederates. Early launched an attack on Washington on July 12 at the Battle of Fort Stevens, but the Confederates were unsuccessful and retreated to Virginia.

Monocacy National Battlefield is a unit of the National Park Service, the site of the Battle of Monocacy in the American Civil War fought on July 9, 1864. The battlefield straddles the Monocacy River southeast of the city of Frederick, Maryland. The battle, labeled "The Battle That Saved Washington," was one of the last the Confederates would carry out in Union territory. The two opposing leaders were General Jubal Early, fighting for the South, and General Lew Wallace, fighting for the North.

Carroll Creek is an 8.3-mile-long (13.4 km) tributary of the Monocacy River in Frederick County, Maryland. The headwaters of the creek are located on the eastern slopes of Catoctin Mountain, southeast of Gambrill State Park. The stream runs roughly east through the city of Frederick to the Monocacy, which drains to the Potomac River. The Shawnee Indians, who called the Monocacy River Monnockkesey (which translates as “river with many bends”), named Carroll Creek Walkwaki Methtegui, (which translates as "down in the gully creek"). The creek was named after Charles Carroll of Carrollton, a Founding Father of the United States who owned large amounts of land in Frederick County. Following two devastating floods in the mid-70s, the City of Frederick undertook an ambitious flood control project to protect its historic downtown from future damage. The innovative design called for the installation of an underground system of concrete conduits able to convey storm-water safely through downtown Frederick. The project’s ground-level elements allowed the development of a new Linear Park.

The 14th New Jersey monument is a memorial monument located on the Monocacy battlefield in Frederick, Maryland, United States. It stands to honor the men of the volunteer force that protected the Monocacy Junction during the crucial winter of 1863-1864. Their halting of Confederate troops from advancing Northward played a significant role in the Union territory control.

The American Lumber Standard Committee (ALSC) is a 501(c)(3) nonprofit organization.

The Frederick National Laboratory for Cancer Research (FNLCR) is a United States federally funded research and development center (FFRDC) supported by the National Cancer Institute and managed by the private contractor Leidos Biomedical Research. The institution was originally established under the name Frederick Cancer Research and Development Center in 1972 as a component of President Richard Nixon's War on Cancer initiative. In 2012, the institution received a national laboratory designation and assumed its current name, becoming the only U.S. national laboratory exclusively dedicated to biomedical research. The campus in Frederick, Maryland, also houses National Cancer Institute laboratories and administrative organizations, and is colloquially referred to as NCI-Frederick.

L'Hermitage Slave Village Archeological Site is an archaeological site near Frederick in Frederick County, Maryland. The location, within the boundaries of Monocacy National Battlefield, was the site of l'Hermitage Plantation, founded about 1793 by the Vincendière family. The Vincendières are believed to have been former Haitian landowners who had fled the Haitian Revolution to the Catholic-leaning state of Maryland. L'Hermitage was notable during its time for its size, brutality and for the large number of slaves on the property.The site was the subject of an archaeological excavation by the National Park Service in the summer of 2010 which focused on the structures on the site, believed to have been slave cabins. The Park Service had acquired the area in 1993 as part of an expansion of the battlefield site, and conducted preliminary investigations in 2003. The location became known as the Best Farm, and many of its structures remain extant as part of the battlefield's landscape.