Groundwater well sampled in the Hueco Bolson study area near El Paso

By Communications and Publishing September 2016 (approx.)

Groundwater well sampled in the Hueco Bolson study area near El Paso, Texas, September 2016. Photograph by Chris Braun, U.S. Geological Survey.

U.S. Geological Survey Scientific Investigations Report 2020–5056

Public Domain.