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The Refugio Valley
Rocks, Soils, Hills and Valleys
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The Hercules Powder Works
Explosives and the Second Industrial Revolution
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Operation and Development of the Hercules Works
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Seeking Information on Ceramic Acid Vessels
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California Powder Works
Giant
...1 more
CPW and Gunpowder Trade Association agree to a CPW monopoly on West Coast. Duration was until Giant erected mills at Clippergate in 1889.
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California Powder Works
US Government
...1 more
California Powder Works undertakes manufacture of cocoa or brown prismatic powder for US Government
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Histories
Remembering Days Past 1879-1987
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