000 | 00756 a2200229 4500 | ||
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003 | OSt | ||
005 | 20230120164441.0 | ||
008 | 170118b xxu||||| |||| 00| 0 eng d | ||
040 | _cIITK | ||
041 | _aeng | ||
082 |
_a557.3 _bUn3b |
||
100 | _aMoench, Robert H. | ||
245 | 1 |
_aU. S. geology of precambrian rocks, Idaho Springs district, Colorado _cby Robert H. Moench |
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260 |
_aWashington _bU. S. Govt. Print. Off. _c1964 |
||
300 | _aiv,70p | ||
440 | _aU. S. Geological survey; Bulletin 1182-A | ||
500 | _aContributions to economic geology | ||
500 | _aPrepared on behalf of The U.S. Atomic Energy Commission | ||
650 | _aGeology -- Colorado -- Idaho Springs region | ||
650 | _aGeology, Sratigraphic -- Precambrian | ||
942 | _cBK | ||
999 |
_c457288 _d457288 |