Old farm machinery. Yuba tractor c1916. Walter A. Hilden (2nd from left)
Old farm machinery. Yuba tractor c1916 with gang plows, c1916, Walter A. Hilden
Old farm machinery. Yuba tractor c1916
Old farm machinery, Walter Hilden on 1958 tractor with Bill Bors, 1958
Old farm machinery. Yuba tractor , hay wagon, trap wagon, c1915
Old farming machinery. -c1925. Harris harvester-Yuba tractor. Chester Riel, Ole Olson, Roy Hilden
Old farm machinery with Roy Hilden on the left plowing, c1917
Roy Hilden on Yuba tractor
4/20/78. Yuba tractor, Harris harvester c1926. Roy Hilden right side