Title | Date | Type | ||
---|---|---|---|---|
1 | Leo Robinson and Ralph H. Peay, man beside equipment | 1935; 1936; 1937; 1938; 1939; 1940 | Image | |
2 | Leo Robinson, heavy equipment | 1935; 1936; 1937; 1938; 1939; 1940 | Image | |
3 | Leo Robinson, machinery | 1935; 1936; 1937; 1938; 1939; 1940 | Image | |
4 | Leo Robinson, man driving bulldozer | 1935; 1936; 1937; 1938; 1939; 1940 | Image | |
5 | Leo Robinson, man operating equipment | 1935; 1936; 1937; 1938; 1939; 1940 | Image | |
6 | Leo Robinson, man with construction equipment | 1935; 1936; 1937; 1938; 1939; 1940 | Image | |
7 | Leo Robinson, pieces of large equipment | 1935; 1936; 1937; 1938; 1939; 1940 | Image |