An initiative of the Center for Environmental Journalism at the University of Colorado Boulder

Data viz: surveying Colorado River Basin maps

This collection of Colorado River Basin maps includes public domain images and other cartographic resources for depicting the watershed.

Decades later, abandoned mines continue to haunt Colorado’s waterways

According to a 2017 study, there are over 23,000 abandoned mines across Colorado and 1,800 miles of streams that are impaired due to pollutants related to acid mine drainage.