1950 Map of San Juan SO

This historical map portrays the area of San Juan SO in 1950, primarily covering San Juan Municipio as well as portions of Bayamón Municipio, Guaynabo Municipio, and Cataño Municipio. Featuring a scale of 1:10000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the San Juan SO region at the time. Published in 1950, it is the sole known edition of this map.