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charles d walcott
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Second contribution to the studies on the Cambrian faunas of North America
Charles D. Walcott · Govt. Print. Off.
284 sayfa · 1886
Arthropoda, Fossil / Fossil Arthropoda / Paleontology / Arthropodes fossiles / Paléontologie
Classification and terminology of the Cambrian Brachiopoda
Charles D. Walcott · The Smithsonian Institution
165 sayfa · 1908
Fossil Brachiopoda / Paleontology / Brachiopoda, Fossil
Pre-Cambrian igneous rocks of the Unkar terrane, Grand Canyon of the Colorado, Arizona
Charles D. Walcott · Sine nomine
524 sayfa · 1894
Stratigraphic Geology / Igneous rocks / Geology / Petrology
Pre-Cambrian Igneous Rocks of the Unkar Terrane, Grand Canyon of the Colorado, Arizona
Charles D. Walcott, Joseph Paxson Idding · Creative Media Partners, LLC
Sayfa sayısı yok · 2023
Kategori yok
Presidential address
Charles D. Walcott · Geological Society of Washington
46 sayfa · 1895
Geology / Geological Survey (U.S.)
The Cambrian rocks of Pennsylvania
Charles D. Walcott · Govt. Print. Off.
43 sayfa · 1896
Conglomerate / Geology / Geology, Stratigraphic / Limestone / Rocks