Amistad National Recreation Area - 2008. Looking at the confluence of the Pecos River and the Rio Grande.

Amistad reservoir hi-res stock photography and images - Alamy

Part of the Amistad National Recreation Area, outside Del Rio, Texas

Gulf Coast Rivers of the Southwestern United States - ScienceDirect

Gulf Coast Rivers of the Southwestern United States - ScienceDirect

Pecos river canyon hi-res stock photography and images - Alamy

Pecos river canyon hi-res stock photography and images - Alamy

Amistad reservoir hi-res stock photography and images - Alamy

Lower Pecos-Before Amistad

Climate and Water Monitoring at Amistad National Recreation Area (U.S. National Park Service)

Park Archives: Amistad National Recreation Area

PDF) The Pecos River hypogene speleogenetic province: a basin-scale karst paradigm for eastern New Mexico and west Texas, USA

Pecos river area hi-res stock photography and images - Alamy

Pecos river area hi-res stock photography and images - Alamy

Lake amistad national recreation area hi-res stock photography and images - Alamy