| 000 | 00388nam a2200121 4500 | ||
|---|---|---|---|
| 999 |
_c507903 _d507903 |
||
| 082 | _aX2024x73 Un3 | ||
| 100 |
_aUnited States. Department of Labor _92736 |
||
| 245 |
_aWrecking and demolition operations _cby Department of Labor |
||
| 260 |
_aWashington _bGovernment Printing Office _c1961 |
||
| 300 | _a10p. | ||
| 500 | _aOccupational hazards to young workers Report No. 15 | ||
| 942 | _2ddc | ||