Corwin Spring News Today

John Wesley Powell, the second Director of the U.S. Geological Survey from 1881 to 1894 and explorer of the Colorado River and Grand Canyon, recognized that water availability was a

John Wesley Powell, the second Director of the U.S. Geological Survey (USGS) from 1881 to 1894 and explorer of the Colorado River and Grand Canyon, recognized that water availability was a significant challenge in the western United States. During Powell’s USGS tenure, systematic inventorying of streams and their flows in the USA began in earnest.