new TL question

I'm working on a TL based on a Climate POD ,
?Does any one know of any sites talking about the {Great Clearing } or about its beginning in France in 1250?
Also I'm looking for a site that lists Volcano dates and ranks them.
Thanx

DuQuense said:

Also I'm looking for a site that lists Volcano dates and ranks them.

Click to expand...

Try http://ourworld.compuserve.com/homepages/CVisco/erupsize.htm

See also
http://www.geo.umass.edu/courses/geo105/Lecture-22.pdf
http://www.encyclopedia4u.com/v/volcanic-explosivity-index.html
http://volcano.und.nodak.edu/vwdocs/eruption_scale.html
http://www.factmonster.com/ce6/sci/A0861835.html

Thank You Duncan