Granite Powder Company chartered. Equipment moved from Vallejo to Sobrato on Point Conchal, near Safety Nitro.
- Title
- Granite Powder Company chartered. Equipment moved from Vallejo to Sobrato on Point Conchal, near Safety Nitro.
- Date
- 1881-07-01
- Subject
- Other California Explosives Companies
- Source
- Van Gelder, Appendix V
Collection
Citation
“Granite Powder Company chartered. Equipment moved from Vallejo to Sobrato on Point Conchal, near Safety Nitro.,” Hercules Historical Society, accessed November 8, 2026, https://www.herculeshistory.org/items/show/459.