
Jim Hogg and Brooks counties meet along a sharp, geometric boundary line that dominates this remote South Texas landscape. The terrain is characterized by subtle elevation changes and an intricate network of local connectors and unimproved roads that navigate the arid brushland. While modern surveying by the U.S. Geological Survey provides precise 5-foot contours, the map reveals a space defined primarily by large-scale ranching boundaries rather than dense settlements. The presence of numerous small, isolated depressions and ephemeral drainage patterns suggests a landscape where water management and property lines have long dictated the pattern of human activity and land use.
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This is the sole edition of this map. No revisions or reprints were ever made.
1921 · Falfurrias
USGS Topo · 1:125,000
1938 · Agua Nueva
USGS Topo · 1:62,500
1939 · Encantada
USGS Topo · 1:62,500
1949 · Mc Allen
USGS Topo · 1:250,000
1954 · McAllen
USGS Topo · 1:250,000
1956 · Laredo
USGS Topo · 1:250,000
1957 · Mc Allen
USGS Topo · 1:250,000
1962 · McAllen
USGS Topo · 1:250,000
1968 · Palomas Ranch NW
USGS Topo · 1:24,000
1968 · Palomas Ranch SW
USGS Topo · 1:24,000