| 000 | 00399nam a2200145 4500 | ||
|---|---|---|---|
| 001 | 0000003078 | ||
| 008 | 121009 eng | ||
| 040 | _aJMGHQ | ||
| 090 | 0 | 0 |
_a552.23 _bWIL |
| 100 | 1 | _aWillbourn, E. S. | |
| 245 | 1 | 0 |
_aPossible use of recent rhyolite ash for the manufacture of cement for certain purposes _cE. S. Willbourn. |
| 260 | _c1941 | ||
| 300 |
_a1v. (various pagings) _c30c. |
||
| 650 | 0 | _aVolcanic ash | |
| 999 |
_c19184 _d19184 |
||