We drive the desert roads in the area to become more familiar so we can tell our visitors what to expect. One of the things that surprised us was the motion detectors as well as notification requesting assistance.
The saguaro are damaged by wild animals, termites and birds.
As we notice the different saguaro . . . . size, number of arms, etc. we have trouble trying to determine age. Some of the larger stands have no arms while a shorter saguaro will have many arms. We are told that if there is a long drought the arms will droop but will turn up again after a rain. The root system is very shallow so after a rain they drink all the water they can so the plant gets very fat. If fact they will split vertically resulting in a long black scar.
In Ajo there was on open pit copper mine until the late 1980s.
Near the mine is an old mission church that is now a museum.
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