Structure of northern Sierra de Ventana : municipio de Ojinaga, Chihuahua, Mexico.
| Main Author: | |
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| Format: | Thesis Book |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1961.
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| Subjects: |
| Item Description: | Vita. |
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| Physical Description: | v, 58 leaves : illustrations ; 28 cm. |
| Bibliography: | Bibliography: leaves 53-57. |