Keystone may refer to:

• Keystone (architecture), the piece at the apex of an arch or vault
• The Keystone effect, caused by projecting an image onto a surface at an angle, or by photography at an angle
  • Keystone correction for these types of distortion

Contents 1 Business 2 Entertainment 3 Places 4 Railroads 5 Schools 6 Other uses

Business

• Keystone Aircraft Corporation, an early manufacturer of airplanes
• Keystone (beer brand), a beer from Coors Brewing Company
• Keystone Camera Company
• Keystone View Company, a US photo agency founded in 1892
• Keystone (1899 automobile), a steam car from Lebanon, Pennsylvania
• Keystone (1914 automobile), an automobile from Pittsburgh

Entertainment

• Keystone (video game), an Xbox Live Arcade casino gambling game
• Keystone Cops, a series of silent movies
• Keystone Kapers, a classic Atari game wherein a police officer pursues a thief
• Keystone Studios, movie studio

Places

United States

• The "Keystone State", nickname for the U. A keystone is the architectural piece at the crown of a vault or Arch and marks its apex, locking the other pieces into position The Keystone effect is caused by attempting to project an image onto a surface at an angle as with a projector not quite centered onto the screen it is projecting on Keystone Aircraft Corporation was an early pioneer in airplane manufacturing Keystone beer is a product of the Coors Brewing Company in Golden Colorado. The Keystone Camera Company was an American manufacturer of consumer photographic equipment The Keystone View Company was a major distributor of stereographic images and was located in Meadville Pennsylvania The Keystone was an American Automobile manufactured from 1899 until 1900 The Keystone was an American Automobile manufactured from 1914 until 1915 The Keystone Cops was a series of Silent film comedies featuring a totally incompetent group of Policemen produced by Mack Sennett for his Keystone Kapers was a 1983 game published by Activision for the Atari 2600, and later ported to Atari 5200, Atari 8-bit Keystone Studios was an early Movie studio founded in Edendale California in 1912 as the Keystone Pictures Studio by S. Commonwealth of Pennsylvania, in use by 1802
• Keystone, Colorado, a town
  • Keystone Resort, the related ski resort
• Keystone, Florida, an unincorporated community
• Keystone, Indiana
• Keystone, Montana
• Keystone, Nebraska
• Keystone, South Dakota, a town near Mount Rushmore
• Keystone at the Crossing, a business/shopping district located in Indianapolis, Indiana
  • The Fashion Mall at Keystone, a mall located in the Keystone shopping district
• Keystone Heights, Florida, a small city

Fictional

• Keystone City, home of the comic book character the Flash

Railroads

• Keystone Service (Amtrak), Amtrak's current New York-Harrisburg
• Keystone (Amtrak), Amtrak's former New York-Pittsburgh service
• Keystone (PRR), Pennsylvania Railroad's former New York-Washington service

Schools

• Keystone School, a private K-12 school in San Antonio, Texas
• Keystone National High School, a private correspondence school

Other uses

• Keystone (cask), a wooden or plastic fitting used in ale casks
• Keystone module, a type of data connector mounted in walls and patch panels
• Keystone species, species that have a larger effect on their environment than is purely due to their abundance
• Operation Keystone during World War II
• The Keystone asterism in Hercules (constellation)
• Keystone (limestone), a type of limestone quarried in the Florida Keys

The Commonwealth of Pennsylvania ( often colloquially referred to as PA (its abbreviation by natives and Northeasterners is a state located in the Northeastern Keystone is a Census-designated place (CDP in Summit County, Colorado, United States. Keystone Resort is a Ski resort located in Keystone Colorado, United States. Keystone is an unincorporated Census-designated place in Hillsborough County, Florida, United States. Keystone is an unincorporated town in Chester Township, Wells County, Indiana, United States. Keystone is an unincorporated community in central Keith County, Nebraska, United States. Keystone is a town in the Black Hills region of Pennington County, South Dakota, United States. Keystone at the Crossing is a business and shopping district located in northern Indianapolis at the intersection of East 86th Street and North Keystone Avenue which is also The Fashion Mall at Keystone, known better as The Fashion Mall is an upscale shopping center in the northeast section of the city of Indianapolis Indiana. Keystone Heights is a city in Clay County, Florida, United States. Keystone City is a Fictional city in the DC Comics universe Specifically it is the home of both the original Flash Jay Garrick, and the third Flash Amtrak 's Keystone Service provides frequent Passenger train service along the Amtrak-owned Keystone Corridor and Northeast Corridor Amtrak 's Keystone was a train service between New York Penn Station and Pittsburgh Penn Station. The Pennsylvania Railroad was an American Railroad, founded in 1846 Keystone School, generally called simply Keystone is a Co-educational independent Private school for students from Kindergarten to twelfth Keystone National High School is a nationally and regionally accredited private correspondence and online high school for earning a high school diploma based in Pennsylvania A keystone is a small Wooden or Plastic fitting used in ale casks. A Keystone module is an industry standard type of wall jack used in residential and business environments A keystone species is a Species that has a disproportionate effect on its environment relative to its abundance During World War II, Operation Keystone was a Special Air Service patrol consisting of a number of Jeep -mounted and airborne teams that operated south of Hercules (ˈhɝkjəliːz ˈhɝkjuːliːz is the fifth largest of the 88 modern Constellations It was also one of Ptolemy 's 48 constellations Keystone refers to a type of Limestone, or Coral rag, quarried in the Florida Keys, in particular from Windley Key Fossil quarry which

© 2009 citizendia.org; parts available under the terms of GNU Free Documentation License, from http://en.wikipedia.org
Dapyx Software network: MP3 Explorer | Ebook Manager | Zenithic