— a collection of geological field trips that take users to some of the world-class geological sites of the San Francisco Bay Area.
In 1979, Clyde Wahrhaftig created a geology tour of the San Francisco Bay Area, which was updated and published by AGU as ?A Streetcar to Subduction and Other Plate Tectonic Trips by Public Transport in San Francisco? in 1984. Forty years later, as part of AGU?s Centennial, the ?Streetcar? tours have been revised, with new trips added, and old exposures that have vanished removed, taking what once was a print book and turning it into a digital experience through Google Earth.
Ooooh I thought this was a “treat yourself to a new outfit or meal” tweet lol
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