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1219-0016 198910-1219-021
Historical Active 198810-1219-008
DOL/MSHA
MINE VENTILATION SYSTEM PLAN (30 CFR 57.8520)
No material or nonsubstantive change to a currently approved collection   No
Emergency 10/01/1989
Approved with change 10/01/1989
Retrieve Notice of Action (NOA) 10/01/1989
  Inventory as of this Action Requested Previously Approved
07/31/1990 07/31/1990 07/31/1990
400 0 435
9,600 0 10,440
0 0 0