When he reached home, he found that the bag contained not coal, but gold coins.
The low interior of such old mountains often contain coal, iron, zinc, and other metals in the sub-soil.
The wheel and drum were also used to draw boxes containing coal or sand up from the beach, to be loaded into the boats.
It is used to rapidly unload hoppers containing coal and other bulk cargo.
The cuesta region contains coal, black shale and some oil shales.
The geology is the Coal measures containing coal and ironstone.
The federal government had a number of choices about how to manage lands that contained coal, oil, or phosphates.
Some of these lands contain valuable coal, lime, and clay properties.
The substrate is sandy and rust-colored and it contains coal.
Similar rock layers also contain coal to the south and east of the oil and gas deposits.