According to legend, the name San Marcos can be attributed to a group of Spaniards who, while out on a mission to capture suspected horse thieves, accidently stumbled upon a beautiful "little valley" on the feast day of St. Mark. This little valley would remain sparsely populated for years to come, as a Mexican land grant tenanted by vaqueros, an agricultural salvation for homesteading early Californians, and the site of small towns that would nearly...