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The Refugio Valley
Rocks, Soils, Hills and Valleys
Estuary and Watershed
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The Hercules Powder Works
Explosives and the Second Industrial Revolution
Commerce in Explosive Products
Operation and Development of the Hercules Works
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Factory Town
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“Historic US 40 Route” Sign Project
Seeking Information on Ceramic Acid Vessels
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Civil & Foundations
Wastewater
Excavation of Septic Tank
Excavation and demolition of a large steel tank discovered during relocation of City wastewater main line. The tank appears to closely match a set of 1904 blueprint plans for a septic tank in Alameda.
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Recent Conditions at Hercules Point
Quarter Century Club
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