This is a 1964 map of Tuttle Creek Lake from the map collection of Operations Project Manager Brian McNulty, with the U.S. Army Corps of Engineers. Since this map was printed, so much sediment has ...

Not all fairs are about merry-go-rounds and bright stalls. In Himachal Pradesh's Saraj Valley, villagers mark an ancient ritual with something far messier as they hurl mud at one another. Known as the ...

Picture three-and-a-half football fields with earth piled onto them — piled as tall as the Empire State Building. That’s how much sediment flows into Tuttle Creek Lake each year. After decades of this ...