
Willamar serves as a primary reference point in this coastal prairie landscape of South Texas, where a rectilinear grid of farm-to-market roads and county routes defines the modern agricultural footprint. Small rural settlements like Porfirio are situated along these transit lines, reflecting the area's transition into systematic ranching and farming operations. The terrain is marked by essential water management features such as Sacatosa Tank, Retamita Tank, and Long Hill Tank, which are critical for livestock and land use in this semi-arid environment. Local heritage is preserved in scattered burial grounds including El Toro Cem, Las Rucias Cem, and La Jarita Cem. The southern edge of the survey is dominated by the North Floodway, a significant piece of regional infrastructure designed for water control across the Willacy County plains.
33 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.
1921 · Tarida Ranch
USGS Topo · 1:62,500
1930 · La Leona
USGS Topo · 1:24,000
1932 · Combes
USGS Topo · 1:31,680
1933 · Paso Real
USGS Topo · 1:31,680
1936 · La Leona
USGS Topo · 1:31,680
1952 · Hawk Island
USGS Topo · 1:24,000
1952 · Port Mansfield
USGS Topo · 1:24,000
1952 · South of Potrero Lopeno
USGS Topo · 1:62,500
1953 · Brownsville
USGS Topo · 1:250,000
1955 · La Leona
USGS Topo · 1:62,500