Apologies if any doubling up.
http://www.bloomberg.com/news/2014-02-28/goldman-sees-tesla-consuming-up-to-17-of-lithium-output.html
Mentions Mt Cattlin.
http://www.valuewalk.com/2014/02/tesla-motors-inc-gigafactory-lithium-output/
http://www.stockhouse.com/companies/bullboard/tsla/tesla-motors-inc