 Eventually, the claim was split in two, with the upper end going to Williams and Friday, and named the Grand Central Mine, and the lower end going to Schieffelin, and named the Contention Mine after the disputed ownership that earned him the claim.Contention City, named after Schieffelin's nearby mine, was originally established in 1879 on the bank of the San Pedro River as a milling site for silver mined from the Tombstone area mines including the Contention and Grand Central mines.Mills were constructed along the San Pedro River in Contention City as well as Charleston due to a lack of water needed for refinement in the immediate vicinity of the mines.