Map of G. del Pilar, Ilocos Sur. - Gloria Cunanan Maphouse (Makati City Cunanan Maphouse, 1996)
Includes: Municipal data: Km. distances from Manila, population (1996 projection), land area, total number of barangays, total number of households
Keywords: Barangays -- G. dell Pilar (Ilocos Sur).; Gregorio del Pilar (Ilocos Sur) -- Maps; Gregorio del Pilar (Ilocos Sur) -- Population; Gregorio del Pilar (Ilocos Sur) -- Area; Gregorio del Pilar (Ilocos Sur) -- Distances, etc