A meaning in Regional ?

Answer: What is Alton Railroad mean?

The Alton Railroad (reporting mark A) was the final name of a railroad linking Chicago to Alton, Illinois; St. Louis, Missouri; and Kansas City, Missouri. Its predecessor, the Chicago and Alton Railroad (reporting mark C&A), was purchased by the Baltimore and Ohio Railroad in 1931 and was controlled until 1942 when the Alton was released to the courts. On May 31, 1947, the Alton Railroad was merged into the Gulf, Mobile and Ohio Railroad. Jacob Bunn had been one of the founding reorganizers of the Chicago & Alton Railroad Company during the 1860s.

Main lines included Chicago to St. Louis and a branch to Kansas City. The former is now part of Union Pacific, with Metra Heritage Corridor commuter rail service north of Joliet (owned by the Canadian National Railway but used by UP). Today, the Kansas City line is part of the Kansas City Southern Railway system.

reference

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Aakash	Academic & Science
Atto (10¯¹⁸)	Academic & Science
angstrom [1 x 10¯¹⁰ meters in length]	Academic & Science
Absorptivity	Academic & Science
Asymmetrical (or assymetrical)	Academic & Science
Assymetrical	Academic & Science
Type A (Battery Size)	Academic & Science
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Aqueous	Academic & Science
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Adjective	Academic & Science
Art	Academic & Science
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Analysis	Academic & Science
Atto	Academic & Science
The Arts	Academic & Science
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admittance Electricity	Medical
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Alanine	Medical
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Blood Type A	Medical
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alveolar gas	Medical
Amphetamine	Medical
Anaphylaxis	Medical
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anoxia/reoxygenation	Medical
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antinuclear antibody (ANA is more commonly used)	Medical
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Area	Medical
Ant	Medical
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radioactivity	Medical
Arterial	Medical
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before (from Latin ante)	Medical
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auris (ear)	Medical
ante (before)	Medical
Aedes	Medical
Artery	Medical
Ancyclostoma	Medical
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Annoying	Messaging
Atomic	Physics Related
African	Regional
Alton Railroad	Regional
Agiliance	Softwares
Acceleration	Space Science
Aft	Space Science
Alpha	Space Science
Analog Signal	Space Science
Angstrom	Space Science
Assists	Sports
Assist	Sports
Ace	Sports
All Lines	Telecommunication