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Misfired explosives - PowerPoint PPT Presentation

STAY OUT-STAY ALIVE

STAY OUT-STAY ALIVE. Mines are Not Playgrounds!. Mines are Everywhere. There are about 14,000 active mines in the U.S. There are as many as 500,000 abandoned mines in the U.S. MINING: A Vital Part of Our Economy Since the 1800s. The Early Years. Even Children Worked in the Mines.

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Misfired explosives - PowerPoint PPT Presentation

STAY OUT-STAY ALIVE