000 | 00967n a2200265 4500 | ||
---|---|---|---|
001 | 00949140 | ||
003 | PWmBRO | ||
005 | 20180324071607.0 | ||
008 | 910713s1990 dcua b f00010 eng | ||
010 | _a 90001743 | ||
069 | _a 91035019 | ||
090 | 0 | 0 |
_aVF _b622.8/2/C778i |
100 | 1 | 0 |
_aCooper, W. E. _q(Wade Emanuel), _d1955- |
245 | 1 | 0 |
_aInternational intercalibration and intercomparison program radon daughter measurements : _bexercise at the Twilight Mine, Uravan, CO / _cby W.E. Cooper and R.F. Holub. |
260 | 0 |
_aWashington, D.C. : _bU.S. Dept. of the Interior, Bureau of Mines, _c1990. |
|
300 |
_a13 p. : _bill. |
||
490 | 1 |
_aInformation circular ; _v9257 |
|
650 | 0 |
_aMine gases _zColorado _zTwilight Mine _xMeasurement. |
|
650 | 0 |
_aRadon _xIsotopes _xMeasurement. |
|
700 | 1 | 0 | _aHolub, Robert F. |
830 | 0 |
_aInformation circular (United States. Bureau of Mines) ; _v9257 |
|
942 | _2ddc | ||
992 | 0 | 2 | _a2 copies. |
994 | 0 | 2 |
_a080221 _b080222 |
999 |
_c62424 _d62424 |