History tells us that the Hohokam tribe migrated north from Mexico and settled in southern Arizona. The name Hohokam derives from the word Hoohoogum, given to those living in that region of the southwest desert and means, “Those who have gone”. From the Hohokam ruins we can see they were a skilled group of farmers who built elaborate canals that went on for miles. Not much was known about this tribe nor written about their demise. We are able to study them through the well engineered canals, ruins, and written stories on rocks known as petroglyphs which were left behind. Casa Grande Ruins National Monument are located one hour southeast of Phoenix in Coolidge. These well preserved remains are where the ancient Hohokam once lived. The main building, or Great house, is four stories high and 60 feet long. The first floor is on a mount and the walls are a mixture of a concrete-like combination of sand, clay, and calcium carbonate or limestone. The Great House took 3,000 tons of...