A look back in time to a glacier-filled ancestral Yosemite Valley.

Present day scene of Yosemite Valley, California looking east toward Half Dome

The documentary video "Living Crust" uses a "dissolve" from a glacier filled valley to the present day scene while the the viewer flies toward Half Dome. For a preview "Download" a 1.2 meg file or look for it on the PBS network. Because of bandwidth constraints the animations is presented without sound and at "thumbnail size". A full screen animation would be 90 MG in size.

QuickTime is a cross-platfrom format for Mac and Windows
Download a 1.2meg QT Movie
AVI format is provided for windows machines not equipped with QuickTime
Download 1.2meg AVI Movie

Note; Under normal internet traffic w/28.8 modem ~7 minutes to download

After complete deforestation by the Mt. St. Helens eruption in 1980, this rendering shows what it may look like 200 years in the future when the forest reestablishes itself on the flanks of the volcano.