The city of Tombstone was founded on March 5, 1879, with about 100 people living in tents and a few shacks. The Earps arrived nine months later on December 1, and it had already grown to about 1,000 residents. Wyatt brought horses and a buckboard wagon which he planned to convert into a stagecoach, but he found two established stage lines already running. He later said that he made most of his money in Tombstone as a professional gambler. The three Earps and Robert J. Winders filed a location notice on December 6, 1879, for the First North Extension of the Mountain Maid Mine. They also bought an interest in the Vizina mine and some water rights.