An introduction to Grand Canyon geology /
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| Awdur Corfforaethol: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Grand Canyon, Ariz. :
Grand Canyon Association,
[1999]
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| Pynciau: |
| Disgrifiad Corfforoll: | 63 pages : illustrations (some color), maps (some color) ; 23 cm |
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| ISBN: | 0938216686 |