The Canton Railroad dispute with Maryland involving whether the state franchise tax on railroad activities in the port of Baltimore violated the Import-Export or Commerce Clauses of the Constitution led to the Supreme Court case Canton Railroad Company v. Rogan, 340 U.S. 511 (1951).
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In China he met the future American president Herbert Hoover during negotiations concerning the granting of the Hankow-Canton railroad concession in China in 1901.