https://www.usgs.gov/media/images/pecos-river-fm-1776-upstream-view
Pecos River at FM 1776 - Upstream view | U.S. Geological Survey
Pecos River near FM 1776, upstream view. Project sampling location. Pecos River Watershed Salinity Study. December 14-15, 2014 site recon, Texas.
pecos riverfm 1776