| 000 | 00520pam a2200157a 44500 | ||
|---|---|---|---|
| 082 |
_aTR _bIC-7699 |
||
| 100 | _aBrown,R. L. | ||
| 245 | 1 | _aREPORT OF RESEARCH AND TECHNOLOGIC WORK ON COAL AND RELATED IMVESTIGATION, JULY 1, 1952, TO DECEMBER31,,1953 | |
| 260 |
_a _bU.S. Environmental Proetction Agency, Washington _c1954 |
||
| 300 | _a102 | ||
| 440 |
_aBureau Of Mines Information Circular _vIc-7699 |
||
| 500 | _aBound With: Usbm Ic-No.7694-7699 | ||
| 700 | _aCarman,E. P. | ||
| 964 | _gCIRC | ||
| 997 | _aTR5298 C | ||
| 999 |
_c392813 _d392813 |
||