The moving frontier ; North America seen through the eyes of its pioneer discoverers /
| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
[New York] :
Delacorte Press,
[1972]
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| Series: | Great explorers series.
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| Subjects: |
| Physical Description: | xvii, 348 pages : maps. |
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| Bibliography: | Bibliography: pages xv-xvi. |