Lumberjacks eating lunch outdoors at logging site, 1916. 
Photographer: William F. Roleff (1873-1943) 
Minnesota Historical Society Photograph Collection, Location: Album 95, Negative No. 3457-B

"The cookees usually brought out lunch to the men in the woods piping hot in big tin cans which they hauled on a one runner bobsled. It was often eaten around a fire, and if the weather was cold or windy, the beans sometimes froze to the plate, and the men ate with their mittens on."

Joseph DeLaittre, A Story of Early Lumbering in Minnesota (Minneapolis: DeLaittre Dixon Co., 1969).