Earthquakes: Southern California faults are feeling the pressure
july 2010 by pvg
So much for relieving the pressure
sci
geol
july 2010 by pvg
USGS Photo Library Archive
january 2005 by pvg
More than 20k images, geology, earthquake damage, etc at up to 1400 dpi resolution
vis
img
geol
january 2005 by pvg
Essays on Geology, History, and People
november 2004 by pvg
Geology Professor Richard Cowen, book-in-progress/course notes
book
geol
hist
november 2004 by pvg