Thirty-six years after the invention of the Barmac Vertical Shaft Impactor (VSI), co-creator Bryan Bartley demystifies some of the myths that still remain.
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Getting creative in quarry restoration design
There is now the potential for more exciting options in the rehabilitation of quarries.
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Addressing face stability
There are a great deal of options open to quarry managers to ensure that all slopes remain geotechnically stable.
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