| 1942 The Austin Co Ad~Negaunee Mine Co Cleveland Cliff |
| 1942 STREET SCENE NEAR LEAD MINE COLORADO PHOTO |
| 1942 AMERICAN CAR FOUNDRY CO Mine Car Bumper Draft Gear |
| 1942 KEPNER Mine Car And Truck Therefor Patent |
| 1942 AMERICAN CAR FOUNDRY CO Mine Car Bearing |
| 1942 AMERICAN CAR FOUNDRY CO Mine Similar Car |
| 1942 BOGARD Drop Bottom Mine Car Patent Print |
| 1942 DALTON WILLIAM Mine Car Bumper Patent Print |
| 1942 MORRIS FISHBEIN Mine Sweeping Art Print |
| 1942 YANCEY Mine Sweeping Apparatus Patent Print |
| 1942 SUMMEROUR Safety Skid For Mine Cars Patent |
| 1942 VICTOR Mine Car Bumper And Draft Gear Art |
| 1942 STOLTZ CHARLES Mine Locomotive Patent Print |
| 1942 AMERICAN CAR FOUNDRY CO Spring Mounted Mine Car |
| 1942 ERICH BICKEL Aerial Mine Patent Print Art |
| 1942 TACKETT Safety Mine Vehicles Art Print |
| 1942 AMERICAN CAR FOUNDRY CO Mine Car Truck Art |
| 1942 GOODMAN MFG CO Mine Locomotive Patent Print |
| 1942 JOY ROBERT Mine Or Similar Car Patent Print |
| 1942 DUNAJEFF Floating Submarine Mine Patent |
| 1942 PANCAKE Spring Mounted Mine Car Patent |
| 1942 AMERICAN CAR FOUNDRY CO Drop Bottom Mine Car |
| 1942 ERICH Aerial Mine And Projectile Patent |
| 1942 KEPNER ROBERT Mine Car Bearing Patent Print |