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Oldest Footprints in North America Found in Rock

Based on modern estimates, an active human will take more than 224,000,000 steps over a lifespan of 65 years based on an average of 9,448 steps per day. Most footprints that result from these steps are ephemeral, poorly defined and disappear quickly. In some cases, a distinct cast of the foot is left in soft sediments, preserving a representation of the foot and motion of the individual in solid rock.

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MSHA Issues New Serious Accident Alert

The Mine Safety and Health Administration (MSHA) reported that on March 24, two miners were using a man-lift to charge (load) blast holes with non-electric blasting caps, 8-grain boosters and ammonium nitrate fuel oil (ANFO) blasting agent.

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MSHA Seeks to Collect Unpaid Fines

David Zatezalo, Mine Safety and Health Administration (MSHA) administrator, and Labor Secretary Alexander Acosta recently highlighted that the agency will look to collect $67 million of unpaid fines issued over the last decade.

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MSHA to Publish Final Rule on Workplace Exams

The Mine Safety and Health Administration (MSHA) will publish a final rule on Examinations of Working Places in Metal and Nonmetal Mines that amends a final rule published on Jan. 23, 2017.

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