'Zero flow' recorded at key spot on Arizona's drying San Pedro River
A tiny trickle of water drains one small isolated pool into another last week along a portion of the San Pedro River near Sierra Vista.
Kelly Presnell
Photojournalist
As featured on
'Zero flow' recorded at key spot on Arizona's drying San Pedro RiverThe Charleston gauge, long considered a key indicator of the San Pedro River's health, dried up late last month for the first time in two decades.
