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RESEARCH STUDIES

We were able to obtain all the informations we needed about the extractive activity in Umbria thanks to the following sources:

  • Department of The Defence of the soil in Umbria for the proposition of the P.R.A.E.

  • Regional Institute for economics and social researches according to date from the census up to 1976.

  • We also consulted the report about the surroundings health in Umbria published by the IRRES, our school books of lithology, the testimony of the experts, our educational visits to the quarries and to the cement factories belonging to Barbetti Brothers near Gubbio.

 
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