'Salt mining' presentation slideshows

How is salt extracted?

352 views • 16 slides

Man-Made Caves of Salt

Man-Made Caves of Salt. An enormous salt mine has been operating beneath Detroit for more than a century. Click here to see a drawing of an 1896 mine operation. This bed of salt is hundreds of millions of years old and contains trillions of tons of salt.

359 views • 16 slides

Ocna Mures

Ocna Mures. ROMANIA. HIGH LEVEL CONFERENCE ON THE URBAN CONSEQUENCES OF EUROPEAN DEMOGRAPHIC PROCESSES Budapest, 3 May 2011. OCNA MURES CITY PROFILE. OCNA MURES yesterday. Once upon a time. Ocna Mures. ROMANIA. OCNA MURES the city. A place in space and time ...

298 views • 9 slides