| 1942 BOGARD Drop Bottom Mine Car Patent Print |
| 1949 PANCAKE Resiliently Mounted Drop Bottom Mine Car |
| 1931 AMERICAN CAR FOUNDRY CO Drop Bottom Mine Car |
| 1937 DIETRICHSON Drop Bottom Mine Car Patent |
| 1944 AMERICAN CAR FOUNDRY CO Drop Bottom Mine Car |
| 1951 SHIELDS Drop Bottom Mine Car Patent Print |
| 1927 MCCRARY Automatic Drop Bottom Mine Car Art |
| 1951 AMERICAN CAR FOUNDRY CO Drop Bottom Mine Car |
| 1931 HENRY Drop Bottom Mine Car Patent Print Art |
| 1944 CATE THOMAS Drop Bottom Mine Car Patent |
| 1937 AMERICAN CAR FOUNDRY CO Drop Bottom Mine Car |
| 1935 VICTOR Drop Bottom Mine Car Patent Print |
| 1957 AMERICAN CAR FOUNDRY CO Drop Bottom Mine Car |
| 1948 AMERICAN CAR FOUNDRY CO Drop Bottom Mine Car Latch |
| 1949 AMERICAN Resiliently Mounted Drop Bottom Mine Car |
| 1944 SANFORD INVEST Drop Bottom Mine Car Art |
| 1948 SHIELDS Drop Bottom Mine Car Latch Patent |
| 1944 PANCAKE Drop Bottom Mine Car Patent Print |
| 1952 BOYD Drop Bottom Mine Car WATT Patent 48576 |
| 1950 EARL BOWEN Drop Bottom Mine Car Patent |
| 1957 SHIELDS Drop Bottom Mine Car Patent Print |
| 1942 AMERICAN CAR FOUNDRY CO Drop Bottom Mine Car |
| 1935 AMERICAN CAR FOUNDRY CO Drop Bottom Mine Car |
| 1950 EMPIRE IND INC Drop Bottom Mine Car Patent |