In the Big Bend region, where some families have lived for generations, government letters seeking access to their land is sparking fear and resistance.

While the federal government hasn’t made a public statement about its plans, official maps show a “virtual wall” going through the region rather than a physical barrier.

Residents and elected officials are speaking out against a proposed border barrier through Texas’ biggest state park and one of the jewels of the national park system.

Presidio, northwest of Big Bend National Park, will get dedicated green spaces along bike lanes and pedestrian streets, plant thousands of native trees and establish a high-school run air quality monitoring program.