The mine was closed in 1968 because deposits were largely exhausted, and coal exploitation became unviable.

But such opportunities with the company have been largely exhausted now.

But by the mid-1960's, efficiency gains from the shift to mass production and the consolidation of national markets were largely exhausted.

By 1860, the gold supplies in the area had been largely exhausted.

By the early 1970s, however, the potential for extensive growth had been largely exhausted.

The generation of gas is largely exhausted by the anthracite stage of rank evolution (R 2-2.5%).

By 1908, the coal resources of Des Moines were largely exhausted.

The old goldfields were largely exhausted by the time the Portuguese arrived, and gold production had moved further north.

After that it had largely exhausted its potential.

But by World War I, the mines were largely exhausted and the town was decaying.