So, there’s only portions of the aquifer on the Pine Ridge Reservation that pass the Environmental Protection Agency’s maximum contaminant level for alpha emitters. So we have to mix half and ...

So, they decided to obtain some of the project’s water from the High Plains Aquifer system, including the Ogallala Aquifer, which lies underneath parts of the Pine Ridge Reservation but does not ...

PINE RIDGE, S.D. — Ella Red Cloud-Yellow Horse, marooned for days by a blizzard and then a flood, needed to get out. Supplies at her house were running low. She had come down with pneumonia.

When Aaron Huey first visited South Dakota’s Pine Ridge Reservation in 2005, he didn’t expect that it would be a world-altering experience. He began the project as an objective photojournalist ...