Llagas, Chresta Mae A., Hydrographic chart of Lake Bato/ Chresta Mae A. Llagas, Ma. Dolorosa A. De La Rama, Ryan T. Francia - Nabua, Camarines Sur : Camarines Sur Polytechnic Colleges ; 2008. - 85 leaves. Undergraduate Thesis (BSCE) - Civil Engineering Subjects--Topical Terms: Hydrography.Hydrographic charts--Lake Bato, Camarines sur.