The Rio Grande serves as the dominant geographic and political spine of this borderland, defining the international boundary between the United States of America and Mexico. This reach of the river in South Texas shows a landscape of intermittent drainage and sparsely developed ranchland, where water management is central to the area's utility. The namesake Salt Well settlement sits near the eastern edge, connected to the wider region by the winding path of FM 1021. The terrain is shaped by several seasonal waterways, including the meandering Borrego Cr, which flows toward the river through the dry brush country. Surveyed just after the middle of the decade, the map illustrates the crossing of county lines between Maverick and Webb counties, highlighting a remote section of the Rio Grande valley where traditional land boundaries meet the modern transportation network.
8 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1940 · Chupadera
USGS Topo · 1:62,500
1941 · Botella Creek
USGS Topo · 1:62,500
1957 · Indio Creek
USGS Topo · 1:62,500
1957 · Botella Creek
USGS Topo · 1:62,500
1958 · Eagle Pass
USGS Topo · 1:250,000
1965 · Eagle Pass
USGS Topo · 1:250,000
1982 · Tovar Creek East
USGS Topo · 1:24,000
1982 · San Pedro Creek
USGS Topo · 1:24,000
1983 · Tovar Creek West
USGS Topo · 1:24,000
1983 · Salt Well
USGS Topo · 1:24,000