Jalisco's Great Treasure - "El Ojo del Lago" article about Hacienda San Jose del Refugio, the home of Tequila Herradura. In the valley of Amatitan, the long-extinct volcano called Tequila watches over the operation as it has for almost 150 years. - http://www.chapala.com/chapala/ojo/backissues/october_1998.html