so when we see a percentage like that we might not realize how many waterways there are in the United States and how many are threatened. The map above gives you an idea of the number of rivers ...

Andrew Hill created this mind-blowing map of the rivers of the continental United States, colored according to the direction in which they flow. Hill, of Vizzuality, used the the CartoDB platform ...

A stunning new map shows the complex network of rivers and streams in the contiguous United States. Created by Imgur user Fejetlenfej, a geographer and GIS analyst with a ‘lifelong passion for ...

A WaterWatch map ... rivers, creeks and streams above flood stage with a black triangle. The USGS WaterWatch depicts rivers, creeks and streams above flood stage with a black triangle. United ...

ST. PAUL — A conservation organization has named the Mississippi River as the most endangered river in the country. Every year, the advocacy group American Rivers publishes a list of the 10 U.S ...