Preferred Forms
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- 100 1 _ ‡a Spamer, Earle E.
- 100 1 0 ‡a Spamer, Earle E.
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- 100 1 _ ‡a Spamer, Earle E.
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Works
Title | Sources |
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Bibliography of the Grand Canyon and the lower Colorado River, 1540-1980, c1981: | |
A catalogue of type fossils in the Wagner Free Institute of Science Philadelphia, Pennsylvania : with a history of paleontology at the institute | |
Colorado River : origin and evolution : proceedings of a symposium held at Grand Canyon National Park in June, 2000 | |
General invertebrates collection of the Academy of Natural Sciences of Philadelphia | |
Geology of the Grand Canyon [microform] c1987- : | |
The Grand Canyon fossil record a source book in paleontology of the Grand Canyon and vicinity, northwestern Arizona and southeastern Nevada | |
Jefferson's botanists : Lewis and Clark discover the plants of the West | |
Lewis and Clark herbarium. | |
Quest for the pillar of gold : the mines & miners of the Grand Canyon |