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TeachersGeology
 With 350 quarries of minerals and rocks and a total economic impact of $2.86 billion, Arizona’s rock products industry is a major part of the state’s economy. |
 What shaped the landscape we see today? Today’s Arizona landscape is home to plateaus, monuments, buttes, rushing rivers, precipitous canyons, snow-capped volcanoes, great escarpments, dry washes, mountain ranges and broad valleys. |