This historical map portrays the area of Viboras in 2010, primarily covering San Carlos. Featuring a scale of 1:24,000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Viboras region at the time. Published in 2010, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1938 · El Sauz
USGS Topo · 1:62,500
1938 · Agua Nueva
USGS Topo · 1:62,500
1938 · Sal Colorada
USGS Topo · 1:62,500
1938 · Cuevitas
USGS Topo · 1:62,500
1949 · Mc Allen
USGS Topo · 1:250,000
1954 · McAllen
USGS Topo · 1:250,000
1957 · Mc Allen
USGS Topo · 1:250,000
1962 · McAllen
USGS Topo · 1:250,000
1972 · Cuevitas
USGS Topo · 1:24,000
1972 · Viboras
USGS Topo · 1:24,000