| 000 | 00318 a2200085 4500 | ||
|---|---|---|---|
| 082 | _a624.193 TUN | ||
| 245 |
_aTunnels and Shafts in Rock/ _cDepartment of the Army U. S Army Corps of Engineers |
||
| 260 |
_aWashington : _bDepartment of the Army U. S Army Corps of Engineers, _c1997 |
||
| 300 |
_avarious Pages _bill. ; _c30 cm |
||
| 650 | _aTunnels and Rock | ||
| 999 |
_c1430 _d1430 |
||