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The Refugio Valley
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The Hercules Powder Works
Explosives and the Second Industrial Revolution
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California Powder Works
Makers of Explosives
CPW temporarily shuts production of black and smokeless powders at Santa Cruz
Event
California Powder Works
Works Operation
CPW starts production at Pinole
Physical Object
California Powder Works
Chinese Workers
...1 more
CPW Payroll Journal
Original bound journal of payroll accounts commencing operation of the Hercules Works.
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