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01005nam a2200253 u 4500 |
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000176065 |
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20031209092907.0 |
| 008 |
020902s2000 xxu ||||| eng |
| 020 |
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|a 0607895543
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| 035 |
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|a 7091593
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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0 |
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|a eng
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| 082 |
0 |
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|a 551.715.097.96
|b T994r
|2 21
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| 100 |
1 |
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|a Tysdal, Russell G.
|e Autor/a
|4 aut
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| 245 |
1 |
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|a Revision of Middle Proterozoic Yellowjacket Formation, Central Idaho, and revision of Cretaceous Slim Sam Formation, Elkhorn Mountains area, Montana /
|c by R.G. Tysdal
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| 260 |
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|a Denver, Colo. :
|b U.S. Departamento of the Interior, Geological Survey,
|c 2000.
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| 300 |
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|a A13, B8 páginas :
|b ilustraciones, mapas
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| 490 |
0 |
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|a U.S. Geological Survey. Professional paper
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| 650 |
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|a ESTRATIGRAFIA
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| 650 |
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|a ESTRATIGRAFIA
|x CRETACICO
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| 650 |
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|a GEOLOGIA
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| 912 |
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|a 09-DEC-2003 - ROJAS SOTO, ANA EUDITH
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| 917 |
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|a 02-SEP-2002 - HERNANDEZ GUZMAN, MARLIN TAYIRA
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| 916 |
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|a Centro Catalográfico
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