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Blink 3 of 8 - The 5 AM Club
by Robin Sharma
The Untold Story of Public Service
Who Is Government? by Michael Lewis examines the critical roles of government employees in maintaining and improving societal functions, highlighting their dedication and the systemic challenges they face in a complex bureaucratic environment.
In his student days, Chris Mark was something of a political radical. In 1976, the beliefs that had led Mark on student marches and into union organizing, took him deep underground. He became a coal miner in West Virginia, with the idealistic aim of recruiting his fellow miners to the socialist cause.
Mark never led a miner’s revolution. But he did discover something unexpected in those dangerous tunnels: a genuine fascination with the underground environment, a fascination that persisted despite two brushes with death. This fascination eventually led him to Penn State’s mining engineering program. Here, professor Z.T. Bieniawski introduced him to coal pillar design formulas, which were meant to prevent deadly roof collapses.
Mark immediately spotted a problem. These formulas were contradictory and unreliable. Each suggested different pillar dimensions, yet mining companies used them interchangeably without understanding which one was most suitable. Engineers deployed their personal judgment to choose appropriate formulas. Which was fine … when their judgment was on point.
Utah, 1984: Twenty-seven people died in an underground fire in the Wilberg coal mine. The roof supports had failed during a record-breaking coal extraction attempt, trapping victims in an underground blaze. Mark knew that if the proper pillar calculations had been used, those miners would still be alive. His mission became clear: he wanted to eliminate deaths from roof falls in mines. In 1987, he joined the Bureau of Mines.
Mark spent years measuring how stress shifted onto remaining pillars as coal extraction progressed. He developed “stability factors” that predicted roof failure probabilities, then validated these predictions against historical collapse data. This analytical approach led to a breakthrough: the realization that geological stress from tectonic plate movement affected mine stability more than previously understood.
By 1994, he had created a comprehensive roof rating system, scaling mine safety from one to 100. This enabled engineers worldwide to evaluate their specific conditions and determine necessary support requirements. Mining companies eagerly adopted his methods, since roof failures cost $200 per minute in shutdown expenses.
2016: Forty years after Mark took a job as a coal miner in West Virginia, and 29 years after that terrible roof collapse in Utah, Mark achieved his goal. That year, for the first time in documented history, no deaths from roof falls in US mines were recorded.
Who Is Government? (2025) asks an all-star team of US journalists to consider the questions: Who works for the government? And why is their work important? The answers uncover remarkable stories of the people, from cybersleuths to archivists, whose work keeps the United States running.
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Try Blinkist to get the key ideas from 7,500+ bestselling nonfiction titles and podcasts. Listen or read in just 15 minutes.
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Blink 3 of 8 - The 5 AM Club
by Robin Sharma