Edition of "This Dynamic Planet" chart.
The map, ca 44 x 58", is printed
on both sides. On one side is a world map showing topography,
plate boundaries, impact craters, plate absolute and
relative motions, volcanoes, seismicity, etc, and on
the other, the two polar caps with subice and ice surace
topography at bottom. It is printed on a plastic-type
medium, rolled only, and costs $14 each.
The second edition (1994) has been widely
used for teaching, and nearly 100,000 copies were
sold, a USGS record.