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Sis-Q F7F air tanker
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F7F #E23
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F7F #E43 makes a retardent drop
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F7F; Grass Valley AAB circa 1970
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F7F #E42 at Grass Valley, Cal-Nat Airways
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F7F drops near Nevada City.
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F7F, Sis-Q Flying Service
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B-17 tanker at Grass Valley AAB
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B-17 #E19 at Grass Valley AAB.
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B-17 tanker at Grass Valley AAB.
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Cal-Nat F7F tankers in 1960
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TBM & F7F air tankers
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B-17 air tanker, Cal-Nat Airways
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F7F & TBM air tankers in 1962
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F7F air tanker
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PBY air tanker, Cal-Nat Airways
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TBMs, F7F & PBY tankers
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F7F tanker
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B-17s & F7F tankers in Grass Valley circa 1972
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B-17, F7F & C-119 air tankers
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C-119 & F7F tankers in 1972...
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C-119 & B-17 tankers
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S2T demo at Grass Valley AAB
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CalFire S2T Airtanker...
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F7F-3 air tanker E41...
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F7F-3 air tanker E41...
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F7F-3 air tankers...
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F7F-3 air tankers...
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F7F-3 air tanker E43...
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F7F-3 air tanker E40...
