In the past, the areas for extractive
activities were situated for the 80% in the province of Perugia and 20% in the province of
Terni. Today, we can see that the 32% of these quarries have been re-landscaped for the sake of the natural environment and the surroundings; 35% has been partly restructured while 33% will need the support for re-landscaping work. Thus, we can classify the quarries in this following way:
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