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The Refugio Valley
Rocks, Soils, Hills and Valleys
Estuary and Watershed
Human Settlement
Rails, Piers and Roads
The Hercules Powder Works
Explosives and the Second Industrial Revolution
Commerce in Explosive Products
Operation and Development of the Hercules Works
Conditions of Production
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Factory Town
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Municipal Crisis
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Collection: Published Histories
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California Powder Works
CPW Works at Pinole - Commence Operations
Event
California Powder Works
CPW Works in San Francisco - Commence Operations
CPW builds and operates a dynamite factory in San Francisco
{Research needed on location, dates]
Text
Explosions or Fires
Giant Powder
Explosion wrecks Giant Powder's Clippergap mills; plant closed
Machinery moved to Giant Powder's plant on San Pablo Bay; stored until commissioned for new black powder line in 1924.
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