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TitleCollection Number And NamePhoto Number
1 Precipitation intensity test at Alta, Utah.P0393 Avalanches Photograph CollectionP0393n1_17_31
2 Taking snow out of tube to weigh for moisture content.P0393 Avalanches Photograph CollectionP0393n1_17_32
3 Testing snow penetration using a penetrometer at Alta. Foreground, Dick Stillman of Berthoud Pass, Co.P0393 Avalanches Photograph CollectionP0393n1_17_33
4 Taking samples of different snow layers for weight to find out water content. Right, Ed LaChapelle of Alta, Utah.P0393 Avalanches Photograph CollectionP0393n1_17_34
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