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Igneous Rock Formations - A Laccolith
Rock Formations - Castle Mountain
Charts, list of localities for circa 1926-1936
- Date: 1926-1936 1926 1936
- Creator: Cooper, G. Arthur (Gustav Arthur) 1902-
Loose notes and locality indexes
- Date: 1945-1970 1945 1970
- Creator: Cooper, G. Arthur (Gustav Arthur) 1902-
Waterfalls - Grand Falls, Little Colorado River, Arizona
Igneous Rock Formations - Roaring Rivers, California
Teotihuacan, Mexico, 1884
- Date: 1884 1884 1884
- Creator: Holmes, William Henry, 1846-1933
Nevada, 1968 - 1971
- Date: 1968-1971 19680528 1971
- Creator: Pack, Phillip D.
Eliot Blackwelder (1880-1969)
Clarence King (1842-1901)
Paul H. Cardwell
James Hall (1811-1898)
![Rock Formations - Castle Mountain, Smithsonian Institution Archives, SIA RU007177 [SIA2019-000522].](https://ids.si.edu/ids/iiif/SIA-SIA2019-000522/full/250,/0/default.jpg "Rock Formations - Castle Mountain, Smithsonian Institution Archives, SIA RU007177 [SIA2019-000522].")
![Eliot Blackwelder (1880-1969), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2007-0255].](https://ids.si.edu/ids/iiif/SIA-SIA2007-0255/full/250,/0/default.jpg "Eliot Blackwelder (1880-1969), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2007-0255].")
![Clarence King (1842-1901), Smithsonian Institution Archives, SIA RU000095 [SA-860].](https://ids.si.edu/ids/iiif/SIA-SA-860/full/250,/0/default.jpg "Clarence King (1842-1901), Smithsonian Institution Archives, SIA RU000095 [SA-860].")
![Paul H. Cardwell, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0653].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0653/full/250,/0/default.jpg "Paul H. Cardwell, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0653].")
![James Hall (1811-1898), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-2198].](https://ids.si.edu/ids/iiif/SIA-SIA2008-2198-000001/full/250,/0/default.jpg "James Hall (1811-1898), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-2198].")