Smithsonian @NMNH director & paleobotanist. Works with artists to visualize extinct landscapes. [Pers/Prof account, opinions my own]
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ALT Human footprints at White Sands National Park. Image credit: NPS
ALT USGS scientist Jeff Pigati examines the layers of sediment while collecting pollen to help establish the age of the footprints. Image credit: NPS
ALT Scientists working in and near a trench at White Sands National Park, a sandy landscape with distant mountains in the background. Photo credit: NPS
ALT USGS scientists Kathleen Springer and Jeff Pigati work at the White Sands site, lying on the ground with their faces close to the ground. Photo credit: NPS
ALT A black and white photo of a construction crew installing the last stone into the south porch of the museum. The large white stone is suspended from a crane and two men guide it into place as other men watch from various perches. The Smithsonian Castle is visible in the background of upper left of the image.
ALT A large rectangular fossil displays 15 species of crinoids. The fossil matrix is a sandy brown and the crinoids are scattered across it. Some are shaped like flower buds, while others have a twisted helix shape that is reminiscent of DNA.
ALT (Clockwise from top left) Harlan’s ground sloth (Paramylodon harlani), western camel (Camelops hesternus), western horse (Equus occidentalis), dire wolf (Aenocyon dirus), antique bison (Bison antiquus), and saber-toothed tiger (Smilodon fatalis)
