This historical map portrays the area of Dilley in 1974, primarily covering Frio County as well as portions of La Salle County. Featuring a scale of 1:24000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Dilley region at the time. Published in 1977, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.