1957 Map of Trona

This historical map portrays the area of Trona in 1957, primarily covering Inyo County as well as portions of San Bernardino County, Kern County, and Tulare County. Featuring a scale of 1:250000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Trona region at the time. Published in 1967, it is one of 5 known editions of this map due to revisions or reprints.