What: Zinc Where: New Br.For: Brass

What: CoalWhere:MaritimeFor: Fuel

oil

Its simply a big hole in the ground where the mineral is removed

http://www.usmra.com/photos/bigpit/003.jpg

A simple layered open pit mine.

A digging wheel at work. Coal is can be mined this way as well as oil sands.

A digging wheel close-up.

Bigger size = greater efficiency, right?!

big bucket

Wire mesh to prevent loose rocks from falling.

A scooptram at work.

Potash mining