000 | 00392nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 190711s9999 xx 000 0 und d | ||
082 | _a622.32 U58 | ||
100 | _aUNITED STATES DEPARTMENT OF THE INTERIOR | ||
245 | 0 | _aCOST ESTIMATION HANDBOOK FOR SMALL PLACES MINES | |
260 |
_bU.S DEPARTMENT _c1987 |
||
300 | _a28X22 | ||
490 | _aBUREAU OF MINES INFORMATION CIRCULAR | ||
942 |
_cBK _2DDC |
||
999 |
_c22248 _d22248 |