1941 Map of Isabela

This historical map portrays the area of Isabela in 1941, primarily covering Isabela Municipio as well as portions of Aguadilla Municipio. Featuring a scale of 1:30000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Isabela region at the time. Published in 1952, it is one of 5 known editions of this map due to revisions or reprints.