Sand dunes; computer animations and paper models
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Open-File Report↗
Geology topics
T. R. Alpha
Publications and source records attributed to T. R. Alpha.
Sand dunes; computer animations and paper models
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Open-File Report↗
Antarctic ice sheet; computer animations and paper model
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Open-File Report↗
Chicxulub impact event; computer animations and paper models
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Open-File Report↗
Chicxulub impact event; computer animations and paper models
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Open-File Report↗
Karst topography; computer animations and paper model
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Open-File Report↗
Karst topography; computer animation and paper model
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Open-File Report↗
Ocean trenches; a computer animation and paper model
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Open-File Report↗
Oblique maps of southeastern Alaska, showing major mineral localities
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Miscellaneous Field Studies Map↗
Make your own paper model of the Northridge, California earthquake, January 17, 1994
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Open-File Report↗
The Northridge, California, earthquake of January 1994; a computer animation and paper model
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Open-File Report↗
The Northridge, California earthquake of January 1994 a computer animation and paper model
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Open-File Report↗
Make your own earth and tectonic globes
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Open-File Report↗
Make your own earth and tectonic globes
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Open-File Report↗
Oblique map of Waterton-Glacier International Peace Park, Alberta, Canada, and Montana, United States
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IMAP↗
Oblique map of Yosemite Valley, Yosemite National Park, central Sierra Nevada, California
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IMAP↗