12-ton 3-Plank open wagon
1936
1936
1931
1937
1937
1930
1935
1938
1935
circa 1930
1931
1934
1935
1935
1934
1936
1935
1931
1933
1938
1938
1938
1938
1935
1938
1938
1932
1955; 1830
circa 1938
circa 1930
1934
1930
1938
1932
2000-100 BCE
1936
1938 and 1951
1937-1938
1930-1931
1935
1936
1934
1937-1937
1937-1938
1934
1935
1932
1933
Before 1932
circa 1930
1930-1935