
The Lower Rio Grande Valley National Wildlife Refuge and the Lrgvnwr dominate the western landscape of this Hidalgo County region, where the natural environment meets an extensive network of energy extraction and irrigation. The terrain is defined by its industrial productivity, anchored by the San Salvador Gas Field, San Carlos Gas Field, and La Blanca Gas Field. These fields sit alongside concentrated rural settlements like San Carlos, Evergreen, and Engleman Gardens, illustrating the close proximity of residential life to the Rio Grande Valley’s oil and gas infrastructure.
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