: Adjectis synonymis et veteribus et recentioribus ac novissimarum analysium chemicarum summis. Systematis mineralium naturalis prodromus. OCLC 995480390. ^ a bMining was unmechanized and labor-intensive, with pickmen releasing the ore from the rock, and mine-boys or carusi carrying baskets of ore to the area, often by way of a mile or even more