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Subjects
Bibliography, Grand canyon (ariz.), History, Academy of Natural Sciences of Philadelphia, Geology, Lewis and Clark Expedition (1804-1806), Plant collecting, Botanical specimens, Botany, Catalogs, Catalogs and collections, Collection and preservation, Colorado river and valley, Congresses, Fossils, Natural history, Type specimens, Fossil Vertebrates, Geology, united states, Herbaria, Indexes, Lewis and Clark Herbarium, Maps, Natural history collections, PaleontologyPlaces
Arizona, Grand Canyon, Pennsylvania, West (U.S.), Colorado River (Colo.-Mexico), Colorado River Valley (Colo.-Mexico), Grand Canyon (Ariz.), Grand Canyon Region, Philadelphia, Catalogs and collections, Colorado River Watershed (Colo.-Mexico), Grand Canyon Region (Ariz.), NevadaPeople
Earle E. SpamerID Numbers
- OLID: OL356896A
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