Visual Materials
Helicopter snow survey
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Helicopter taking off for snow survey
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Helicopter taking off for snow survey.
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Snow surveys at Big Creek using early helicopters
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[Snow surveys at Big Creek using early helicopters, snowshoes] [with 76 variants]
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Pilot and passenger reviewing snow survey map at door of helicopter
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Pilot and passenger reviewing snow survey map at door of helicopter.
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Big Creek snow survey
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Big Creek snow survey, Snow on transmission towers.
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Big Creek snow survey
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Big Creek snow survey - sun on snow through trees.
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Big Creek snow survey. Shelter cabin at Kaiser Meadow in snow with sno
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Big Creek snow survey. Shelter cabin at Kaiser Meadow in snow with sno-cat parked in front.
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