State summaries: Indiana
In 2005, the Indiana industrial minerals industry generated $789 million, a record high for the state and an increase of 2.2% from 2004. Among all states, Indiana ranked 24th. Mineral commodities produced in the state included crushed limestone and dolomite, construction sand and gravel, industrial sand, dimension limestone, dimension sandstone, gypsum, common clay and shale, freshwater pearls, peat, lime, and masonry and portland cement.
Mining Engineering↗