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Hercules Historical Society
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
Times and Places
Neatline
Neatline Time
Timeline
Sources and Reading
About HHS
Buy Our Book!
“Historic US 40 Route” Sign Project
Seeking Information on Ceramic Acid Vessels
Collection
Contra Costa County Historical Society
Title
Contra Costa County Historical Society
Collection Items
Item
Map
Factory Site Plan
Land Use
...4 more
USGS Topographic Survey Maps
Topographic maps showing Hercules
Item
Map
Factory Site Plan
Land Use
...2 more
USGS Topo Quadrants - Detail Views
Cropped and zoomed sections of USGS Topographic Quadrant maps showing Hercules area.
Item
Factory Site Plan
Hercules Works
...8 more
Overviews of the Works
Views from elevations and distance of the Works
View all 10 items
