air
arid
arizona
bush
carbon
chimney
clean
clear
co2
coal
coalfired
desert
ecology
electrical
electricity
emission
emissions
energy
environment
exhaust
fume
fumes
generating
generation
industrial
landscape
navajo
page
plant
pollution
power
power station
powerplant
project
projectnavajo generating
river
salt
salt river
sky
smog
smoke
smoke pipe
smoke stack
station
steam
sunny
tall
three
usa
vapor