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Hercules Historical Society
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History of Hercules, California
History: The Land and Peoples of Refugio Valley
Geology and Soils
Estuary and Watershed
Human Settlement
Transportation
History: Explosives Manufacture at the Hercules Works
Significance of the Hercules Works
Development of the Explosives Industry
Gold Rush, Black Powder and Dynamite
Market Power of the Producers of Explosives
Operation and Development of the Hercules Works
Conditions of Production
History: the Municipality
The Factory Town
Municipal Growth
Municipal Crisis
Municipal Austerity
Times and Places
Neatline
Neatline Time
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“Historic US 40 Route” Sign Project
Seeking Information on Ceramic Acid Vessels
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Ray Marvin
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Ray Marvin
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“Ray Marvin,”
Hercules Historical Society
, accessed September 30, 2023,
http://herculeshistory.org/items/show/397
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