Mesa was founded in 1878 by Mormon pioneers and now is Arizona's third largest city. See how it has grown with these historic photos from the 1900s.

Mesa was founded in 1878 by Mormon pioneers and now is Arizona's third largest city. See how it has grown with these historic photos from the 1900s.

Mesa, Arizona’s third-largest city with more than 500,000 people, traces its modern history to a settlement founded by pioneers from the faith in the 1800s.

Mesa, Arizona's third-largest city with more than 500,000 people, traces its modern history to a settlement founded by pioneers from the faith in the 1800s.

Mesa, Arizona’s third-largest city with more than 500,000 people, traces its modern history to a settlement founded by pioneers from the faith in the 1800s.