Lake Mead
![Lake Mead](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/lake_mead.png?itok=Q7h1Z0er)
Detailed Description
At the edges of Lake Mead, the Nation’s largest reservoir, a “bathtub ring” of mineral deposits approximately 100 ft. high shows the drop in water level after years of drought along the Colorado River. Photograph credit: Michael Rosen, USGS