How America Cut the Hoosac Tunnel Through 4.75 Miles of Solid Rock
How America Hand-Dug a 25,000-Foot Tunnel Through a Mountain The Erie Canal — the full story, now a book. Read it here: https://payhip.com/b/Hh57n Become a Exclusive Member: / @globaloldhistory

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The History of Mountain Tunnels — How America Cut Rail Passages Through Rock Before Modern Drills

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The Mine Wars (2018) | Full Documentary | AMERICAN EXPERIENCE

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The Largest Ancient Copper Mine in History Makes No Sense

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The History of Stump Pullers — Why America Built Giant Machines to Rip 30-Ton Trees From The Ground

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How America Pulled 30-Ton Stumps by Hand

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The Men Who Dug the Hoosac Tunnel — America’s First Great Mountain Bore

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How America Built Lighthouses on Wave-Battered Atlantic Rocks

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Why Luftwaffe Aces Mocked This “Deathtrap” P 51 — Until One Rookie Outflew 14 In 3 Minutes

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How America Built The Alaska Highway Through 1,700 Miles Of Frozen Wilderness In 8 Months (1942)

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How 12,000 Men Built a Railroad Over the Sierra Nevada And Risked Their Lives

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The Machines That Built the Golden Gate Bridge (1933-1937)

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Why Did Nimitz Replace Fletcher After His Victory at Midway

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The Mach 3 Monster with a Drinking Problem

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Why German Engineers Couldn't Explain How Britain Built A Bomb That Bounced On Water

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How the Richest Hill on Earth Poisoned an Entire City: Butte, Montana

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What They Found in the Anaconda Copper Mine in 1917 — They Locked the Shaft Within the Hour

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The Golden Age of Motorcycles Is Over. Here's Why

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The Distance Between Galaxies Is Worse Than You Think

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Why No One Wants to Stay in New York's Most Iconic Building

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