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00953nam a2200253 u 4500 |
| 001 |
000410032 |
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20110512104249.0 |
| 008 |
050602s1964 xxu ||||| eng |
| 035 |
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|a 8250143
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 041 |
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|a eng
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| 082 |
0 |
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|a 553.4
|b H617o
|2 00
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| 100 |
1 |
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|a Heyl, Allen van
|d 1918-
|e Autor/a
|4 aut
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| 245 |
1 |
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|a Oxidized zinc deposits of the United States, part 3 Colorado :
|b the geology of the known deposits and the resources of oxidized zinc ores in Colorado /
|c by Allen V. Heyl
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| 260 |
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|a Washington :
|b U.S. Government Printing Office,
|c 1964.
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| 300 |
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|a 98 páginas :
|b ilustraciones
|e + mapas
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| 490 |
0 |
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|a E.U.A. Geological survey bulletin
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| 590 |
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|a Mapas en mapoteca
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| 650 |
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|a CINC
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| 650 |
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|a YACIMIENTOS MINERALES
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| 650 |
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|z COLORADO
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| 912 |
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|a 12-MAY-2011 - CALDERON ZUÑIGA, ANA CRISTINA
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| 917 |
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|a 02-JUN-2005 - QUIROS SALAZAR, DANILO
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| 916 |
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|a Reconversión
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