Keystone (Amtrak Train, 1971-1972)
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Keystone or key-stone may refer to: *
Keystone (architecture) A keystone (or capstone) is the wedge-shaped stone at the apex (geometry), apex of a masonry arch or typically round-shaped one at the apex of a Vault (architecture), vault. In both cases it is the final piece placed during construction and l ...
, a central stone or other piece at the apex of an arch or vault *
Keystone (cask) A keystone is a small wooden or plastic fitting used in cask ale, ale Barrel (storage), casks. For some years wooden casks have been effectively obsolete, with the majority now being aluminium or stainless steel, and a few sturdy plastic ones begin ...
, a fitting used in ale casks


Companies

* Keystone Law, a full-service law firm * Digital Keystone, a developer of digital entertainment software *
Keystone Aircraft Keystone Aircraft Corporation was an early American airplane manufacturer. History Headquartered in Bristol, Pennsylvania, the company was formed as "Ogdensburg Aeroway Corp" in 1920 by Thomas Huff and Elliot Daland, but its name was quickly c ...
Corporation *
Keystone Bridge Company The Keystone Bridge Company, founded in 1865 by Andrew Carnegie, was an American bridge building company. It was one of the 28 companies absorbed into the American Bridge Company in 1900. The company advertised its services for building steel, ...
, an American bridge building company *
Keystone (beer brand) Keystone beer is a product of the Molson Coors Beverage Company in Golden, Colorado. It was first introduced in Chico, California in September 1989. Keystone Ice can be found in canned, kegged, and occasionally, bottled form, with 5.9% ABV. Keyst ...
*
Keystone Camera Company The Keystone Camera Company was an American manufacturer of consumer photographic equipment that began in 1919 in Boston. Notable products were Movie cameras, 126 film, 126 and 110 film, 110 cameras with built-in electronic flash (the "Everflas ...
* Keystone (gasoline automobile) *
Keystone (steam automobile) The Keystone Steamer was an American automobile manufactured from 1899 until 1900 in Lebanon, Pennsylvania. History Keystone Match & Machine Company was founded in 1894 and offering bicycles from 1896. In 1899 the company offered an interestin ...
*
Keystone Pipeline The Keystone Pipeline System is an Pipeline transport, oil pipeline system in Canada and the United States, commissioned in 2010, formerly owned by TC Energy. It is now owned by South Bow, following TC Energy's spin off of its liquids business i ...
, a crude oil pipeline * Keystone-SDA/Keystone-ATS, a Swiss press agency * Keystone View Company, a US photo agency *
Keystone (Berkeley, California) The Keystone, also known as Keystone Berkeley, was a small music club at 2119 University Avenue in Berkeley, California, which operated in the 1970s and 1980s. Numerous nationally known groups performed there, including Tom Petty and the Heartbre ...
, a defunct music club


Education

* Keystone Academy, a private K–12 school in Shunyi, Beijing, China *
Keystone College Keystone College is a private college in northeastern Pennsylvania, United States. Although the college's official mailing address is La Plume, Pennsylvania in Lackawanna County, much of the campus is in Factoryville in Wyoming County. It was ...
, a private college in Pennsylvania, United States * Keystone Exam, a standardized test at public schools in Pennsylvania, United States *
Keystone School Keystone School is a co-educational private school for students from pre-kindergarten to twelfth grade, located in midtown San Antonio, Texas, United States.Keystone School Online, a private for-profit online K–12 school based in Herndon, Virginia, United States * Keystone, an education program at the U.S.
National Defense University National Defence (or Defense) University (or College) may refer to: :''Alphabetical by country'' University * Marshal Fahim National Defense University, Afghanistan * National Defense University (Azerbaijan) * People's Liberation Army National Defe ...


Entertainment

* ''Keystone'' (video game), part of the Xbox Live Arcade title ''Fable 2 Pub Games'' *
Keystone (band) Keystone or key-stone may refer to: * Keystone (architecture), a central stone or other piece at the apex of an arch or vault * Keystone (cask), a fitting used in ale casks Companies * Keystone Law, a full-service law firm * Digital Keystone, a ...
, led by jazz trumpeter
Dave Douglas David or Dave Douglas may refer to: Entertainment * David Douglas (director) (born 1953), Canadian cinematographer, director and writer * Dave Douglas (trumpeter) (born 1963), American jazz trumpeter * Dave Douglas (drummer) (born 1979), American ...
** ''Keystone'' (album), a 2005 album by the band *
Keystone Cops The Keystone Cops (often spelled "Keystone Kops") are fictional, humorously incompetent policemen featured in silent film slapstick comedies produced by Mack Sennett for his Keystone Film Company between 1912 and 1917. History Hank Mann creat ...
, a silent movie series * ''
Keystone Kapers ''Keystone Kapers'' is a platform game developed by Garry Kitchen for the Atari 2600 and published by Activision in 1983. The game involves a Keystone Cops theme, with the player controlling police officer Kelly, who traverses the many levels o ...
'', a classic Atari game *
Keystone Studios Keystone Studios was an early film studio founded in Edendale, California (which is now a part of Echo Park) on July 4, 1912 as the Keystone Pictures Studio by Mack Sennett with backing from actor-writer Adam Kessel (1866–1946) and Char ...
, a movie studio


Places

* The Keystone asterism in the Hercules constellation


United States

* The "Keystone State", nickname for the U.S. Commonwealth of
Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...
*
Keystone, Colorado Keystone is a home rule town located in Summit County, Colorado, United States. The town is a part of the Breckenridge, CO Micropolitan Statistical Area. Keystone residents voted to incorporate on March 28, 2023, becoming a municipality on Feb ...
, a town **
Keystone Resort Keystone Resort is a ski resort located in Keystone, Colorado, United States. Since 1997, the resort has been owned and operated by Vail Resorts. It consists of three mountains (Dercum Mountain, North Peak, and the Outback) and five Bowls (I ...
, the related ski resort *
Keystone, Florida Keystone is an unincorporated census-designated place in Hillsborough County, Florida, United States. The Keystone area was first settled in the middle 1800s by the W.M. Mobley Family who migrated from Savannah, Georgia. The region has evolved ...
, an unincorporated community * Keystone, Indiana * Keystone, Iowa *
Keystone, Missouri Keystone is an extinct hamlet in northeastern Clinton County, in the U.S. state of Missouri. History A post office at Keystone Station of the Leavenworth branch of the Chicago, Rock Island, and Pacific Railroad The original Chicago, Rock I ...
*
Keystone, Nebraska Keystone is an unincorporated community and census-designated place in central Keith County, Nebraska, United States. As of the 2010 census its population was 59. It lies along local roads near the North Platte River, northeast of the city of ...
* Keystone, North Dakota * Keystone, Ohio *
Keystone, South Dakota Keystone is a city in the Black Hills region of Pennington County, South Dakota, United States. The population was 240 at the 2020 census. It had its origins in 1883 as a mining town, and has since transformed itself into a resort town, serving ...
, a town near Mount Rushmore * Keystone, Washington, an unincorporated community *
Keystone, West Virginia Keystone is a city in McDowell County, West Virginia, United States. Per the 2020 census, the population was 176. Keystone is one of the few municipalities in West Virginia with an African-American majority, with 65 percent of the residents be ...
* Keystone, Wyoming * Keystone at the Crossing, a business/shopping district in Indianapolis, Indiana ** The Fashion Mall at Keystone, located in the Keystone shopping district *
Keystone Heights, Florida Keystone Heights is a city located in southwestern Clay County, Florida, United States. It is the southwestern most city in the Jacksonville, Florida Metropolitan Statistical Area, and is the principal city and primary economic driver of the La ...
*
Keystone Canyon Keystone Canyon is a scenic canyon located approximately 12 miles northeast of Valdez, Alaska, in the Chugach Mountains. The canyon is characterized by its steep, almost perpendicular walls that rise over 600 feet, carved by the Lowe River over m ...
, Alaska *
Keystone Lake Keystone Lake is a reservoir in northeastern Oklahoma on the Arkansas and Cimarron rivers. It is located upstream about from Tulsa. It was created in 1968 when the Keystone Dam was completed. The primary purposes are: flood control, hydroelec ...
, a resort area near Tulsa, Oklahoma *
Keystone, Wisconsin Keystone is a town in Bayfield County, Wisconsin, United States. The population was 373 at the 2020 census, down from 378 at the 2010 census. The unincorporated community of Ino is located in the town. Geography According to the United States Ce ...


Canada

* The "Keystone Province", a nickname for the Province of Manitoba **
Keystone Centre The Keystone Centre is a multi-purpose facility located in Brandon, Manitoba. Its main 5,102-seat arena, which is known as Westoba Place, is the home of the Brandon Wheat Kings of the Western Hockey League and the annual Royal Manitoba Winter Fair ...
, an arena and exhibition centre in Brandon, Manitoba


Fictional locations

*
Keystone City This page lists the locations in the DC Universe, the shared universe setting of DC Comics. Sites Arrowcave The Arrowcave is the former base of operations of the Green Arrow and Speedy. Avernus Cemetery Avernus Cemetery is a hidden burial gro ...
, home of the comic book character The Flash * Keystone City, a holographic city in the ''Star Trek: The Next Generation'' episode "
Emergence In philosophy, systems theory, science, and art, emergence occurs when a complex entity has properties or behaviors that its parts do not have on their own, and emerge only when they interact in a wider whole. Emergence plays a central rol ...
"


Railroads

*
Keystone Corridor The Keystone Corridor is a 349-mile (562 km) railroad corridor between Philadelphia and Pittsburgh, Pennsylvania, that consists of two rail lines: Amtrak and SEPTA's Philadelphia to Harrisburg Main Line, Philadelphia-to-Harrisburg main li ...
, a rail corridor from Philadelphia to Pittsburgh * ''
Keystone Service The ''Keystone Service'' is a 195 mile (314 km) regional passenger train service from Amtrak, that operates between the Harrisburg Transportation Center in Harrisburg, Pennsylvania, and 30th Street Station in Philadelphia, running along the P ...
'', a current New York-Harrisburg service ** ''Keystone'' (Amtrak train, 1979–1981), a predecessor of the current service * ''Keystone'' (Amtrak train, 1971–1972), a former New York-Pittsburgh service operated by Amtrak * ''Keystone'', a former New York-Washington service operated by the
Pennsylvania Railroad The Pennsylvania Railroad ( reporting mark PRR), legal name as the Pennsylvania Railroad Company, also known as the "Pennsy," was an American Class I railroad that was established in 1846 and headquartered in Philadelphia, Pennsylvania. At its ...
** ''Keystone'' (train), a lightweight train used for the service


Sports

*
Keystone Junior Hockey League The Keystone Junior Hockey League (KJHL) is a Junior 'B' ice hockey league in the province of Manitoba, Canada. The league, sanctioned by Hockey Manitoba, was formerly known as the Manitoba Junior 'B' Hockey League. History The KJHL champion ...
, in Manitoba *
Keystone Cup The Keystone Cup is the Junior B ice hockey championship and trophy for Western Canada. From 1983 to 2017, the championship was the culmination of the champions of 12 hockey leagues in British Columbia, Alberta, Saskatchewan, Manitoba, and Northwe ...
, Western Canadian Junior "B" ice hockey championship * Keystone (horse), a racehorse


Other uses

*
Keystone (limestone) Keystone is a type of limestone, or coral rag, quarried in the Florida Keys, in particular from Windley Key fossil quarry, which is now a State Park of Florida. The limestone is Pleistocene in age, and the rock primarily consists of scleractinia ...
, quarried in the Florida Keys *
Keystone effect The keystone effect is the apparent distortion of an image caused by projecting it onto an angled surface. It is the distortion of the image dimensions, such as making a square look like a trapezoid, the shape of an architectural keystone, hence ...
, caused by projecting an image onto a surface at an angle, or by photography at an angle * Keystone Initiative, a medical protocol to reduce infection rates *
Keystone module A keystone module is a standardized snap-in package for mounting a variety of low-voltage electrical Jack (connector), jacks or optical connectors into a keystone wall plate, face plate, surface-mount box, or a patch panel. Keystone modules hav ...
, a type of data connector mounted in walls and patch panels *
Keystone Press Awards The Keystone Press Awards are a prominent series of awards presented by the Pennsylvania Newspaper Association to Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (U ...
*
Keystone species A keystone species is a species that has a disproportionately large effect on its natural environment relative to its abundance. The concept was introduced in 1969 by the zoologist Robert T. Paine. Keystone species play a critical role in main ...
, species that have a larger effect on their environment than is purely due to their abundance * Operation Keystone, during World War II * Keystone, a variety of
screwdriver A screwdriver is a tool, manual or powered, used for turning screws. Description A typical simple screwdriver has a handle and a shaft, ending in a tip the user puts into the screw head before turning the handle. This form of the screwdriver ...
blade * "Keystone", a descriptive reference to the
Book of Mormon The Book of Mormon is a religious text of the Latter Day Saint movement, first published in 1830 by Joseph Smith as ''The Book of Mormon: An Account Written by the Hand of Mormon upon Plates Taken from the Plates of Nephi''. The book is one of ...
*''The Keystone'', journal of the
Pennsylvania Railroad Technical and Historical Society Pennsylvania, officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, Maryland to its south, West V ...
*''The Keystone'', Pennsylvania news website owned by
Courier Newsroom Courier Newsroom is an American digital media company that operates news outlets and sponsors political content intended to support Democratic Party candidates. It microtargets voters via social media advertising with the intention to both info ...


See also

* * * * *
Stone (disambiguation) A stone is a small piece of rock. Stone may also refer to: Unit of measurement * Stone (unit), a measure of weight formerly used in various Germanic European countries and still commonly used in Great Britain and Ireland for measuring human body ...
* Key (disambiguation) * ''
The Stone Key ''The Stone Key'' is a 2008 science fiction novel by Isobelle Carmody, set in a post apocalyptic world. It is the fifth book in the Obernewtyn Chronicles. Background ''The Stone Key'' was first published in Australia on 4 February 2008 by ...
'' (2008 novel) post-apocalyptic novel by Isobelle Carmody * Stone Key Partners (bank) U.S. boutique investment bank {{disambiguation, geo