
Weslaco and Mercedes anchor this study of the Rio Grande Valley, where a dense network of drainage ditches and floodways manages the flat, agricultural terrain. The landscape is defined by the intersection of traditional citrus and vegetable farming infrastructure with growing residential areas like Sunrise Hill and Heidelberg. Irrigation systems feeding off the Arroyo Colorado and Campacuas Lake dictate the layout of the land, while the presence of the Lacy-Mercedes gas field to the northeast points to the region's energy resources.
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