bergamo. abundantly distributed along the foothills of the alps, this sandstone of torbiditic origin and dating back to the cretaceous period, outcrops in the area comprised between the alps and the po valley. thanks to its almost continuous outcrop area along the foothills, it is frequently found not...
bergamo. abundantly distributed along the foothills of the alps, this sandstone of torbiditic origin and dating back to the cretaceous period, outcrops in the area comprised between the alps and the po valley. thanks to its almost continuous outcrop area along the foothills, it is frequently found not...