Its course is interrupted by several reservoirs like Plutarco Elías Calles ( El Novillo ) , Lázaro Cárdenas ( Angostura ) , or Álvaro Obregón ( El Oviáchic , Lake Ouiachic ) , which provides the water resource for the intensively irrigated region of Ciudad Obregón .
Its course is broken up by several reservoirs like Plutarco Elías Calles ( El Novillo ) , Lázaro Cárdenas ( Angostura ) , or Álvaro Obregón ( El Oviáchic , Lake Ouiachic ) , which provides the water for the heavily farmed region of Ciudad Obregón .