salt mines

It ain't the salt mines or a shoe factory, but it's deadly dull.

Will it be some men who wait at home to pamper a wife back from a long day in the salt mines?

Northwich, famous for its salt mines, was the only town of any consequence until we reached Chester.

The great Kanawha coal-fields and iron- and salt-mines are unsurpassed by any now known in any part of the globe.

Hall, from time immemorial famous for its salt mines, is well worth a visit.

The next day I visited the celebrated salt-mines at Wielitska.

It is found in small herds, and, being fond of salt, is generally most abundant in the neighbourhood of salt mines.