References in periodicals archive ?
Sulfides tend to appear in the same geologic conditions as many types of mined metals and coals.
1-million-ton figure as the amount of sand and gravel to be mined.
In reclaiming mined areas for hayland/pasture, bulldozers and tractors must flatten the land and enable a uniform grass to form.
Selling lands to be mined, on the other hand, was associated with attracting "a new class of men.
An analysis to determine the feasibility of building a conventional mill to process company mined ore, as well as the potential for toll milling.
The sad irony, she says, is that virtually all of the gold mined is used for frivolous applications.