| LDR | 00498camk 00157 k 4500 | |
|---|---|---|
| 001 | 000000045871 | |
| 005 | 20081119133403 | |
| 008 | 081119s1996 us 000a eng | |
| 049 | ▼l WM00008211 | |
| 056 | ▼a 540.98 ▼2 Revised | |
| 090 | ▼a 540.98 ▼b O15u | |
| 110 | ▼a Occupational Safety and Health Administration. | |
| 245 | 10 | ▼a Underground Construction(Tunneling) - OSHA 3115 - / ▼d Occupational Safety and Health Administration |
| 250 | ▼a Revised. | |
| 260 | ▼a United States: ▼b OSHA, ▼c 1996 | |
| 300 | ▼a 23p, ▼c 22cm |