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Same thing with the open pit mines on the Iron Range in Minnesota. Hibbing, Virginia, Mountain Iron, Keewatin ....... they mined hematite and the taconite 'tailings' were refuse. The area was mined...

Here are a few examples gotten from the web, a stone house said to be made with Belgian blue stone, a fence and a paved road ;

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I think it was Bruno, years ago posted some pix...

Maybe not exactly what you're asking, but quarries such as the one in Ardennes (Belgium) do hones as a sideline to their main function of quarrying stone for construction and such. At least that is...