If you get excited about finding clay pottery shards in the backyard or arrowheads in the field across the road, beware: Your history-loving/treasure hunting genes are about to be tickled.According to an LA Times article, workers in Los Angeles, Calif., who were excavating the site of a $100 million Chinatown development made an interesting discovery earlier this month. Just 12 feet below the site’s surface, they unearthed a 100-foot section of the city’s first municipal water system, the Zanja Madre, otherwise known as the Mother Ditch.Constructed in 1781, the 4-foot Mother Ditch carried water from the Los Angeles River to
