The environmental group protested the company's plan to expand the strip mine, citing damage to local waterways and wildlife.

The old silver mine on the mountain was reopened after new veins were discovered.

The old iron mine reopened last spring after extensive safety upgrades.

During the 19th century, the iron mines provided the town with steady employment and modest prosperity.

The university partnered with several data mines to analyze historical climate records.

The engineer carefully placed a Bangalore mine to clear the tangled barbed wire ahead.

The Bangalore mines produced more than a hundred tons of ore last year.

Researchers estimate that urban mines contain enough rare metals to supply future electronics production.

Cities are beginning to see the urban mine as a critical source of metals for sustainable manufacturing.

During the post-war cleanup, engineers discovered several bounding mines buried beneath the playground.