This historical map portrays the area of Florida in 1957, primarily covering Florida County as well as portions of Arecibo County, Manatí County, Barceloneta County, Utuado County, Ciales County, Jayuya County, and Orocovis County. Featuring a scale of 1:20000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Florida region at the time. Published in 1986, it is one of 4 known editions of this map due to revisions or reprints.