Ocean drainage basin map of South America Robert Szucs / Grasshopper Geography The maps display the natural river courses shaped by topography, but other factors such as human activity also ...

Colorado River Basin ranks among the world’s most water-stressed regions, ... “When I put the results on a map, the first thing I saw was the Colorado River Basin,” said Samantha Kuzma, ...

The world’s largest dam removal will touch many lives in the Klamath River Basin. By Cassandra Profita (OPB) Nov. 18, 2022 2 p.m.