| 1. |  | Threshing scene near Devils Lake, N.D. | Threshing; Threshing machines; Tractors; Smoke; Harvesting; Croplands; Agricultural laborers; Agricultural machinery & implements; | Threshing crew at work in field. Several workers visible standing on and around the machinery. Dark smoke is rising from smokestack on tractor and chaff blowing out of thresher on the right. Front of tractor... |
