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TitleCollection Number And NamePhoto Number
51 Large gun used in avalanche control at Alta.P0393 Avalanches Photograph CollectionP0393n1_13_16
52 Firing of a 105 mm recoilless rifle by the U.S. Forest Service for avalanche control, near Alta Ski Area. The photograph is blurred due to the concussion.P0393 Avalanches Photograph CollectionP0393n1_13_20
53 View of Sunnyside lift in Alta during the summer.P0393 Avalanches Photograph CollectionP0393n1_14_02
54 Avalanche Research Center, Alta, UtahP0393 Avalanches Photograph CollectionP0393n1_14_03
55 Avalanche lines drawn on a photo of Alta.P0393 Avalanches Photograph CollectionP0393n1_14_04
56 Avalanche lines drawn on a photo of Alta.P0393 Avalanches Photograph CollectionP0393n1_14_05
57 Precipitation intensity test at Alta, Utah.P0393 Avalanches Photograph CollectionP0393n1_17_31
58 Testing snow penetration using a penetrometer at Alta. Foreground, Dick Stillman of Berthoud Pass, Co.P0393 Avalanches Photograph CollectionP0393n1_17_33
59 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
60 Avalanche mapP0393 Avalanches Photograph CollectionP0393n1_17_35
61 Snow settlement test at Alta Utah.P0393 Avalanches Photograph CollectionP0393n1_17_39
62 Snowfall intensity test at Alta, Utah.P0393 Avalanches Photograph CollectionP0393n1_17_42
63 One of the early Avalanche classes held every other year at Alta. Some of the individuals in the photo are John Hurbert, Gordon VanBuren, Ed LaChappelle, Monty Atwater, and Dick Stillman.P0393 Avalanches Photograph CollectionP0393n1_18_12
64 Ski Patrol observing skiers at Alta.P0393 Avalanches Photograph CollectionP0393n1_19_04
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