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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
The Municipality
Factory Town
Municipal Growth
Municipal Crisis
Municipal Austerity
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Neatline Time
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“Historic US 40 Route” Sign Project
Seeking Information on Ceramic Acid Vessels
The Hercules Historical Society
Collection
City of Hercules
Title
City of Hercules
Collection Items
Item
Still Image
Factory Site Plan
Hercules Works
...3 more
Expansion of Works in 1918-1919
Remarkable series of panoramic photos of construction progress at the Works during 1918.
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