Baldwin Locomotive Works

Crum Creek (from the Dutch, meaning "crooked creek") is a creek in Delaware County and Chester County, Pennsylvania, flowing approximately 24 miles (39 km), generally in a southward direction and draining into the Delaware River in Eddystone, Pennsylvania. It begins in a swamp (formerly a lake, dammed out) near Newtown Square, Pennsylvania along which several mills were established in the 19th century. Right afterward it crosses under Pennsylvania Route 29 and winds one and a half miles (2.4 km) downstream until it hits the hamlet of Crum Creek. It later flows into the Delaware River near Philadelphia. Two notable landmarks along the creek's course are high trestles: a trolley trestle about 30 feet (9.1 m) high runs across the creek in Smedley Park, in Nether Providence Township; this trestle carries the Southeastern Pennsylvania Transportation Authority's 101 trolley line from Media, Pennsylvania across the creek. About a mile (1.6 km) south, a 1,000-foot-long (300 m), 100-foot-high (30 m) trestle carries SEPTA's Media/Wawa Line commuter railroad line across the creek, which by now runs through a deep valley. The trestle is located in the Crum Woods, 200 acres of forest surrounding the creek that constitutes part of the campus of Swarthmore College. This tract, one of the largest patches of woodland remaining in Delaware County, is managed by the college's Scott Arboretum. The trestle is half in Nether Providence Township (west of the creek) and half in Swarthmore borough (east of the creek). Baltimore Pike also crosses the Crum by Smedley Park in Nether Providence Township. A stone bridge carrying the highway was erected in 1924 with a 70-foot-tall (21 m) arch commemorating the 282 men and 2 women from Delaware County who died in World War I. This arch was demolished in 1958 when the highway was widened. The memorial tablets were moved to the nearby entrance of Smedley Park.Crum Creek was dammed in 1931 near Pennsylvania Route 252 to fill Springton Lake (also known as Geist Reservoir), an approximately 391-acre (1.58 km2) drinking water reservoir maintained by Aqua America.

Early in the 19th century, the Leiper Canal built in 1828–29 during the middle of the American canal age ran about 3 miles (5 km) along Crum Creek in Delaware County to its mouth in eastern Pennsylvania's Delaware Valley carrying its owner‘s quarried products to docks on the Delaware River tidewater until 1852.

The Leiper Railroad was a 'family business–built' horse drawn railroad of 0.75 miles (1.21 km), constructed in 1810 after the quarry owner, Thomas Leiper, failed to obtain a charter with legal rights-of-way to instead build his desired canal along Crum Creek. The quarry man's 'make-do' railroad was the continent's first chartered railway, first operational non-temporary railway, first well-documented railroad, and first constructed railroad also meant to be permanent. The credit of constructing the first permanent tramway in America may therefore be rightly given to Thomas Leiper. He was the owner of a fine quarry not far from Philadelphia, and was much concerned to find an easy mode of carrying stone to tide-water. That a railway would accomplish this end he seem to have had no doubt. To test the matter, and at the same time afford a public exhibition of the merits of tramways, he built a temporary track in the yard of the Bull's Head Tavern in Philadelphia. The tramway was some sixty feet long, had a grade of one inch and a half to the yard, and up it, to the amazement of the spectators, one horse used to draw a four-wheeled wagon loaded with a weight of ten thousand pounds. This was the summer of 1809. Before autumn laborers were at work building a railway from the quarry to the nearest landing, a distance of three quarters of a mile. In the spring of 1810 the road began to be used and continued in using during eighteen years. by John Bach McMaster, page 494, A History of the People of the United States, from the Revolution to the Civil War

General Steel Industries, Inc. (GSI) was an American steel company founded as General Steel Castings Corporation in 1928. The company's first headquarters were in Eddystone, Pennsylvania and, prior to completing its own modern steel foundry in 1930, acquired the operations of the Commonwealth Steel Company, a critical supplier to the rail industry.An acquisition program to diversify from its core steel castings business of manufacturing large steel castings was initiated in the late 1950s and resulted in six divisions and one subsidiary by 1971. The broader business portfolio allowed GSI to close the Castings Division, the company's only business prior to diversification, in 1973. In 1974, GSI was operating 19 plants across the United States and internationally and continued operating as an independent company until it was acquired by Lukens Steel in 1981.

Chester Township is a township in Delaware County, Pennsylvania, United States. The population was 3,940 at the 2010 census, down from 4,604 at the 2000 census. The Sun Center Studios are located in Chester Township.

On April 10, 1917, four days after the United States declared war on Germany, an explosion at the Eddystone Ammunition Corporation's artillery shell plant in Eddystone, Pennsylvania, killed 139 people. The majority were women and girls who worked in the loading room, loading shells with black powder. 55 of the victims could not be identified and were buried in a mass grave. Hundreds more were injured. The victims were arguably among the first American casualties of World War I. The explosion was initially blamed on German saboteurs, and later on Russians. It may in fact have been an accident caused by malfunctioning equipment.

Crum Lynne is an unincorporated community in Ridley Township, Delaware County, Pennsylvania, United States.

Crum Lynne station is a station on the SEPTA Wilmington/Newark Line. Though the station sits along the Northeast Corridor, it is not served by any Amtrak intercity services. The station, located at Chester Pike (US 13) & West Ridley Avenue in Ridley Park, Pennsylvania, is actually northeast of the community the station is named for. It was named by a then-Pennsylvania Railroad vice president after Crumlin, Wales, where his mother was born. It includes a 14-space parking lot, and sheltered platforms on both West Ridley Avenue and Chester Pike.

Darby Creek (historically known as Church Creek or the Derby River) is a tributary of the Delaware River in Chester, Delaware and Philadelphia counties, in the U.S. Commonwealth of Pennsylvania. It is approximately 26 miles (42 km) long. The watershed of the creek has an area of 77.2 square miles (200 km2). It has twelve named direct tributaries, including Cobbs Creek, Little Darby Creek, Ithan Creek, and Muckinipattis Creek. The creek has a low level of water quality for most of its length. The lower Darby Creek area was deemed a Superfund site by the U.S. Environmental Protection Agency (EPA) due to contamination with dangerous chemicals from two landfills. Darby Creek flows through a narrow valley in its upper reaches and a tidal flat in its lower reaches. The creek is in the Piedmont Uplands and Atlantic Coastal Plain physiographic provinces. Major rock formations in the watershed include the Wissahickon Formation. Three small dams historically existed on the creek, but were removed in 2012. The watershed of the creek is largely developed, with roughly half a million people inhabiting it. Most of the watershed is in Delaware County, but some parts are in Chester County, Philadelphia County, and Montgomery County. The watershed is part of the Lower Delaware drainage basin. Historically, the Lenni Lenape people inhabited the area in the vicinity of Darby Creek. By the 17th century, the Dutch and Swedish had arrived in the area, followed some years later by the English. Numerous mills of various types were eventually built along the creek and several railroads traversed the watershed. In modern times, grants by various organizations have been awarded to improve the creek and its watershed. The Darby Creek Valley Association operates within the watershed. Part of the creek's length is designated as a Coldwater Fishery and a Migratory Fishery, part is a Trout Stocked Fishery and a Migratory Fishery. Various species of fish, including redbreast sunfish, eels, and trout, inhabit it. Several areas in the vicinity of the creek are listed on the Delaware County Natural Areas Inventory. These include the Darby Creek Mouth Mudflat, the John Heinz National Wildlife Refuge, and the Ithan-Darby Creek Wetlands. A reach of the creek is navigable by canoe.

Eddystone is a borough in Delaware County, Pennsylvania, United States. The population was 2,410 at the 2010 census.

Eddystone station is a station along the SEPTA Wilmington/Newark Line and Amtrak Northeast Corridor. Amtrak does not stop here, only SEPTA serves this station. Eddystone is a borough in Delaware County, Pennsylvania, United States. The area of Eddystone is rather historic, home to the Baldwin Locomotive Works, which built 100,000+ steam, diesel, and electric locomotives until the mid-1950s. The station, located at Industrial Highway (PA 291) & Saville Avenue, includes a 12-space parking lot. A second platform exists along Seventh Street west of Saville Avenue.

Leedom Estates is a small unincorporated community in Ridley Township, Pennsylvania founded in 1867. It sits alongside Interstate 95 south of Philadelphia in Delaware County.