The incredible Great Lakes smelt situation was so described last ... Developed into a popular table delicacy, the silver smelts became a big industry in the past decade; prices jumped from ½ ...

In antiquity, lead was released into the atmosphere as a byproduct of smelting ore for copper and silver. The toxic metal later condensed as dust and settled onto the soil. “Silver was used for ...

In antiquity, lead was released into the atmosphere as a byproduct of smelting ore for copper and silver. The toxic metal later condensed as dust and settled onto the soil. “Silver was used for ...