
The Starr Co Hidalgo Co line serves as the primary orientation point in this remote section of South Texas. This 2022 survey illustrates the sparse, ranch-oriented layout of the brush country, where long-distance roads like La Guajolota Rd and Guasolota Ranch Rd traverse large land tracts. The landscape is dominated by subtle topographic shifts and intermittent drainage patterns characteristic of the Rio Grande Valley hinterlands. Modern infrastructure is represented by the intersection of rural routes including FM 681, CR 4611, and cr4640, providing a clear record of the area's current transportation network and property divisions.
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This is the sole edition of this map. No revisions or reprints were ever made.
1938 · Sal Colorada
USGS Topo · 1:62,500
1939 · La Reforma
USGS Topo · 1:62,500
1940 · Monte Christo
USGS Topo · 1:62,500
1949 · Mc Allen
USGS Topo · 1:250,000
1954 · McAllen
USGS Topo · 1:250,000
1956 · Garcias
USGS Topo · 1:62,500
1957 · Mc Allen
USGS Topo · 1:250,000
1962 · McAllen
USGS Topo · 1:250,000
1963 · Monte Christo
USGS Topo · 1:24,000
1963 · McCook
USGS Topo · 1:24,000