The Saguaro Census is underway and the Park Service wants your help
It started in 1941 when park rangers spread out into what was then called the Saguaro National Monument and began counting and measuring the saguaros …
See more in Tucson than sunsets and saguaros
It started in 1941 when park rangers spread out into what was then called the Saguaro National Monument and began counting and measuring the saguaros …