Can you post a more high quality image?
Minerals are mined from the ground in two of the most common processes: surface mining (minerals at or near the surface) and subsurface mining (minerals deep underground in the Earth). Minerals are processed through mineral processing which separates the valuable items from the rest of the mineral.
Apirl 12 1861- the first battle of fort Sumter
mali kingdom
Large and powerful Kingdoms covered much of west Africa from Medieval times onwards.
