The Homestake Mine was a deep underground gold mine located in Lead, South Dakota. Until it closed in 2002 it was the largest and deepest gold mine in North America. The mine produced more than 40 million troy ounces (approximately 1.25 million kilograms) of gold during its lifetime.
Going a little wild with the colours, brings out the different rocks to be found.
""The world is full of obvious things which nobody by any chance ever observes…""
— Arthur Conan Doyle
“The Hound of the Baskervilles”
""Mathematics...
