Rio Grande waters define the extreme northeast corner of this Maverick County landscape, marking the international boundary between the United States of America and Estados Unidos Mexicanos. This 2019 survey depicts a largely open expanse of arid Texas brushland characterized by ephemeral drainages and intermittent creek beds that feed toward the river valley. The topography is defined by subtle elevation shifts and dry washes, reflecting the characteristic hydrology of the Rio Grande basin in this portion of South Texas. As a modern digital survey, it emphasizes the preservation of the border corridor and the natural drainage patterns of the territory west of Salt Well.
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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
1983 · Tovar Creek West
USGS Topo · 1:24,000
1983 · Salt Well
USGS Topo · 1:24,000
1983 · San Ambrosia Creek 3 NE
USGS Topo · 1:24,000