The Exploration of the Colorado River in 1869 and 1871-1872: Biographical Sketches and Original Documents of the First Powell Expedition of 1869 and the Second Powell Expedition of 1871-1872
Full Title: | The Exploration of the Colorado River in 1869 and 1871-1872: Biographical Sketches and Original Documents of the First Powell Expedition of 1869 and the Second Powell Expedition of 1871-1872 |
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ISBN: | 0874809630 |
ISBN13: | 9780874809633 |