MIL-R-53059 (AMENDMENT-1), MILITARY SPECIFICATION: RAILWAY CAR, HOPPER, 56 - 1/2 - INCH GAGE, 100 TON, 8 WHEEL, DOMESTIC SERVICE (06-JUL-1987) [NO S/S DOCUMENT]
MIL-R-53059 (AMENDMENT-1), MILITARY SPECIFICATION: RAILWAY CAR, HOPPER, 56 - 1/2 - INCH GAGE, 100 TON, 8 WHEEL, DOMESTIC SERVICE (06-JUL-1987) [NO S/S DOCUMENT].