Any good anagrams for CASO?

The Canada Southern Railway (reporting mark CASO), also known as CSR, was a railway in southwestern Ontario, Canada, founded on February 28, 1868 as the Erie and Niagara Extension Railway. Its name was changed to Canada Southern Railway on December 24, 1869. The 1868 Act specified that it was to be constructed at a broad gauge of 5 ft 6 in (1,676 mm), but that requirement was repealed in the 1869 Act, thus allowing construction at the standard gauge of 4 ft 8+1⁄2 in (1,435 mm). The railway was leased to the Michigan Central Railroad (MCR) for 99 years in 1883; in 1929 it was subleased to the New York Central Railroad (NYC). Its successors Penn Central (formed 1968) and Conrail (formed 1976) later exercised control before being sold to CN/CP in 1985.

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