ocr: Ecosystems of Southern Arizona Mohave Desert - - - Lower Colorado River - A Valley Sonoran - - L .1 - - Arizona Upland Sonoran - - - - - - EA - - - - - Desert Grassland - - - - - - - a - - - - e - - - - - Mountains - Highlands & - . Chihuahuan Desert Gila Field Center The north ofthe state has ecosystems too, but we don 't know about them!
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