| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 126 |
 |
Avalanches and snow, March 1950-February 1951 (Negative) [28] | 1950; 1951 | uum_map_usa | |
| 127 |
 |
Avalanches and snow, March 1950-February 1951 (Negative) [29] | 1950; 1951 | uum_map_usa | |
| 128 |
 |
Backcountry Brighton | 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949 | uum_map_usa | |
| 129 |
 |
Baldy | 1937; 1938; 1939; 1940; 1941 | uum_map_usa | |
| 130 |
 |
Baldy and Upper Collins | 1937; 1938; 1939; 1940; 1941 | uum_map_usa | |
| 131 |
 |
Baldy and Upper Collins, June 18, 1939 | 1939-06-18 | uum_map_usa | |
| 132 |
 |
Baldy Cliffs, cornice above left is skied from summit | 1937; 1938; 1939; 1940; 1941 | uum_map_usa | |
| 133 |
 |
Baldy from near pass | 1937; 1938; 1939; 1940; 1941 | uum_map_usa | |
| 134 |
 |
Baldy in early morning sun | 1937; 1938; 1939; 1940; 1941 | uum_map_usa | |
| 135 |
 |
Baldy snowfields | 1937; 1938; 1939; 1940; 1941 | uum_map_usa | |
| 136 |
 |
Baldy, June 17 | 1937; 1938; 1939; 1940; 1941 | uum_map_usa | |
| 137 |
 |
Baldy, Sugar Loaf and Devil's Castle recognizable | 1938; 1939; 1940; 1941 | uum_map_usa | |
| 138 |
 |
Balsam's burning, 1937 [1] | 1937 | uum_map_usa | |
| 139 |
 |
Balsam's burning, 1937 [2] | 1937 | uum_map_usa | |
| 140 |
 |
Balsam's burning, 1937 [3] | 1937 | uum_map_usa | |
| 141 |
 |
Balsams near timber line | 1931-07-19 | uum_map | |
| 142 |
 |
Base of Devils Castle | 1920; 1921; 1922; 1923; 1924; 1925; 1926; 1927; 1928; 1929; 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950 | uum_map_usa | |
| 143 |
 |
Base of early Brighton chairlift | 1955; 1956; 1957; 1958; 1959 | uum_map_usa | |
| 144 |
 |
Base of mountain (Negative) | 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950 | uum_map_usa | |
| 145 |
 |
Basin south west of Albion Hut | 1949-02-22 | uum_map_usa | |
| 146 |
 |
Basin south west of Albion Hut (Negative) | 1949-02-22 | uum_map_usa | |
| 147 |
 |
Before there were lifts at Alta, probably Bill in a "Christie", Collins | 1937; 1938; 1939; 1940; 1941 | uum_map_usa | |
| 148 |
 |
Bell's Canyon | 1930; 1931; 1932; 1933; 1934; 1935; 1936 | uum_map | |
| 149 |
 |
Bells Canyon [1] | 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949 | uum_map_usa | |
| 150 |
 |
Bells Canyon [2] | 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949 | uum_map_usa |