Columbia, CA…The public is invited to learn about the long-term issues involved in Tuolumne and Calaveras County water on Thursday, March 13, when the Columbia College Foundation kicks off a new community lecture series. “Focus on Foothill Water: Beyond the Drought,” a two-hour evening program at the Sonora High School Auditorium, will be moderated by Columbia College Natural Resources Professor Dr. Tom Hofstra, and features leading experts representing a range of interests including local water districts, agriculture, the environment and native California tribes….