176 - 200 of 1,543
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TitleCollection Number And NamePhoto Number
176 Rigging charges for cornice control while on belay.P0393 Avalanches Photograph CollectionP0393n1_12_12
177 Man setting a charge with an electric detonator, with an explosive detonating in the snow in the background.P0393 Avalanches Photograph CollectionP0393n1_12_13
178 Men setting electric charges in P-ridge cornice while on belay.P0393 Avalanches Photograph CollectionP0393n1_12_14
179 Men building cornice control fences on Mt. Baldy.P0393 Avalanches Photograph CollectionP0393n1_12_15
180 Men buiding cornice control fences on Mt. Baldy.P0393 Avalanches Photograph CollectionP0393n1_12_16
181 Men buiding cornice control fences on Mt. Baldy.P0393 Avalanches Photograph CollectionP0393n1_12_17
182 Men buiding cornice control fences on Mt. Baldy.P0393 Avalanches Photograph CollectionP0393n1_12_18
183 Fracture line at snow defense structure.P0393 Avalanches Photograph CollectionP0393n1_12_19
184 Fracture line running through snow defense structures.P0393 Avalanches Photograph CollectionP0393n1_12_20
185 Fracture line running through snow defense structures.P0393 Avalanches Photograph CollectionP0393n1_12_21
186 Fracture line running through snow defense structures.P0393 Avalanches Photograph CollectionP0393n1_12_22
187 View of cornice fencing during the spring/summer.P0393 Avalanches Photograph CollectionP0393n1_12_23
188 View of cornice fencing during the spring/summer.P0393 Avalanches Photograph CollectionP0393n1_12_24
189 View of cornice fencing during the spring/summer.P0393 Avalanches Photograph CollectionP0393n1_12_25
190 View of cornice fencing during the spring/summer.P0393 Avalanches Photograph CollectionP0393n1_12_26
191 Men preparing to blast mountain as a part of avalanche control on Mt. Superior.P0393 Avalanches Photograph CollectionP0393n1_13_01
192 Ski Patrol and National Forest Service examining avalanche control guns.P0393 Avalanches Photograph CollectionP0393n1_13_02
193 Ski Patrol and National Forest Service examining avalanche control guns.P0393 Avalanches Photograph CollectionP0393n1_13_03
194 Men shooting 75 recoilless to prevent an avalanche.P0393 Avalanches Photograph CollectionP0393n1_13_04
195 Men with 75 recoilless used in avalanche control.P0393 Avalanches Photograph CollectionP0393n1_13_05
196 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
197 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
198 Large artillery piece used in avalanche control.P0393 Avalanches Photograph CollectionP0393n1_13_16_2
199 Large artillery piece used in avalanche control.P0393 Avalanches Photograph CollectionP0393n1_13_17
200 Large artillery piece used in avalanche control.P0393 Avalanches Photograph CollectionP0393n1_13_18
176 - 200 of 1,543