Pictured: Efforts to extinguish the fire at the Treasure Island Naval Base on April 10, 1947.
From the NFPA Quarterly v. 41, no. 1, 1947:
"This fire at the Treasure Island Navy Base, San Francisco Bay, April 10, 1947, destroyed buildings having a ground area of over 7 acres, all of wooden construction, without automatic sprinklers. Three fire walls did not extend through the roof, and fire doors were tied open. After delayed discovery, 54 fire companies from San Francisco and Oakland, plus 12 pieces of Navy fire apparatus, used 92 hose lines, but were powerless to prevent total loss."
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