Her father worked in the open-pit mines during the day and for the union at night.

The park is at an elevation of 148 ft (45 m) and the property was once an open-pit mine.

Formerly an open-pit mine, this site housed a landfill from 1952 to 1978.

There is an open-pit mine located near the river that employs a number of residents.

A Canadian company attempted an open-pit mine, but abandoned the project around 2007.

The large open-pit mine is north of the town.

Also, in mining, it refers to steps cut into the side of open-pit mines.

There was nothing in that direction but the vast bulwark of the open-pit mine.

A large open-pit mine was proposed in 2007 near the western boundary of the park.

Tracks were laid through the open-pit mine, with the length varying.

On the north side of the highway a former strip mine is being developed into a retail area called the Highlands.

It also established a fund, paid for by the coal industry, to clean up some 20,000 abandoned strip mines.

The town site was then dug for a strip mine.

It took me some moments to work out that I was looking at a crude strip mine.

The new corporation proposed digging a massive strip mine on the site of the town.

At a guess, it was a very large and very old strip mine.

I crawled back to my little strip mine and began to hack in earnest.

But the strip mine where he works closed this year, leaving him unemployed.

Even the strip mines are hidden behind a ridge on the parkway.

Then there are the existing coal power plants and strip mines.

Their open pit copper mine was the richest in the country.

A feasibility study on a larger open pit mine was being prepared.

And base camp is like an open pit mine, in the middle of a desert never touched since time began.

The open pit mines pose both hazards, but some find them to have a kind of beauty as well.

This open pit mine would develop, over the years, into one of Europe's biggest copper mines.

An open pit mine began operation in 1882, and moved to underground mining by 1900 for safety reasons.

By 1895, 2300 tons of asbestos were being removed from the open pit mine per year.

It is also an open pit mine and produces copper.

The many smaller open pit mines developed in the area soon merged into one large mine.

Portable tracks have often been used in open pit mines.