251 - 275 of 1,277
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TitleCollection Number And NamePhoto Number
251 Rigging charges for cornice control while on belay.P0393 Avalanches Photograph CollectionP0393n1_12_12
252 Man setting a charge with an electric detonator, with an explosive detonating in the snow in the background.P0393 Avalanches Photograph CollectionP0393n1_12_13
253 Men setting electric charges in P-ridge cornice while on belay.P0393 Avalanches Photograph CollectionP0393n1_12_14
254 Men building cornice control fences on Mt. Baldy.P0393 Avalanches Photograph CollectionP0393n1_12_15
255 Men buiding cornice control fences on Mt. Baldy.P0393 Avalanches Photograph CollectionP0393n1_12_16
256 Men buiding cornice control fences on Mt. Baldy.P0393 Avalanches Photograph CollectionP0393n1_12_17
257 Men buiding cornice control fences on Mt. Baldy.P0393 Avalanches Photograph CollectionP0393n1_12_18
258 Fracture line at snow defense structure.P0393 Avalanches Photograph CollectionP0393n1_12_19
259 Fracture line running through snow defense structures.P0393 Avalanches Photograph CollectionP0393n1_12_20
260 Fracture line running through snow defense structures.P0393 Avalanches Photograph CollectionP0393n1_12_21
261 Fracture line running through snow defense structures.P0393 Avalanches Photograph CollectionP0393n1_12_22
262 View of cornice fencing during the spring/summer.P0393 Avalanches Photograph CollectionP0393n1_12_23
263 View of cornice fencing during the spring/summer.P0393 Avalanches Photograph CollectionP0393n1_12_24
264 View of cornice fencing during the spring/summer.P0393 Avalanches Photograph CollectionP0393n1_12_25
265 View of cornice fencing during the spring/summer.P0393 Avalanches Photograph CollectionP0393n1_12_26
266 Men preparing to blast mountain as a part of avalanche control on Mt. Superior.P0393 Avalanches Photograph CollectionP0393n1_13_01
267 Ski Patrol and National Forest Service examining avalanche control guns.P0393 Avalanches Photograph CollectionP0393n1_13_02
268 Ski Patrol and National Forest Service examining avalanche control guns.P0393 Avalanches Photograph CollectionP0393n1_13_03
269 Men shooting 75 recoilless to prevent an avalanche.P0393 Avalanches Photograph CollectionP0393n1_13_04
270 Men with 75 recoilless used in avalanche control.P0393 Avalanches Photograph CollectionP0393n1_13_05
271 Forest Service Supervisor, F.C. Koziol, and area owner, Zane Doyle, examining 75mm recoilless rifle casing used in avalanche control work.P0393 Avalanches Photograph CollectionP0393n1_13_11
272 U.S. Army and U.S. Forest Service cooperate in testing the 75mm recoilless rifle used in avalanche control.P0393 Avalanches Photograph CollectionP0393n1_13_12
273 Large artillery piece used in avalanche control.P0393 Avalanches Photograph CollectionP0393n1_13_16a
274 Large artillery piece used in avalanche control.P0393 Avalanches Photograph CollectionP0393n1_13_17
275 Large artillery piece used in avalanche control.P0393 Avalanches Photograph CollectionP0393n1_13_18
251 - 275 of 1,277