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The Hercules Powder Works
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Hercules Works
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Expansion of Works in 1918-1919
Remarkable series of panoramic photos of construction progress at the Works during 1918.
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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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Fire Protection
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Fire trucks in service at the Works
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