Old farm machinery. Yuba tractor c1916

Old farm machinery. Yuba tractor c1916. Walter A. Hilden (2nd from left)

Old farm machinery. Yuba tractor , hay wagon, trap wagon, c1915

Old farm machinery. Yuba tractor c1916 with gang plows, c1916, Walter A. Hilden

Old farming machinery. -c1925. Harris harvester-Yuba tractor. Chester Riel, Ole Olson, Roy Hilden

Old farm machinery, Walter Hilden on 1958 tractor with Bill Bors, 1958

Roy Hilden on Yuba tractor

Old farming machinery. Copied 4/20/78

Old farm machinery with Roy Hilden on the left plowing, c1917

Old farm machinery with Roy Hilden on the left plowing, c1917